1556901990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1093}}^1$

素因数の和:1156

約数の個数: 288

約数和(自身を含む): 5253037920

約数和(自身を除く): 3696135930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 19, 21, 30, 34, 35, 38, 42, 45, 49, 51, 57, 63, 70, 85, 90, 95, 98, 102, 105, 114, 119, 126, 133, 147, 153, 170, 171, 190, 210, 238, 245, 255, 266, 285, 294, 306, 315, 323, 342, 357, 399, 441, 490, 510, 570, 595, 630, 646, 665, 714, 735, 765, 798, 833, 855, 882, 931, 969, 1071, 1093, 1190, 1197, 1330, 1470, 1530, 1615, 1666, 1710, 1785, 1862, 1938, 1995, 2142, 2186, 2205, 2261, 2394, 2499, 2793, 2907, 3230, 3279, 3570, 3990, 4165, 4410, 4522, 4655, 4845, 4998, 5355, 5465, 5586, 5814, 5985, 6558, 6783, 7497, 7651, 8330, 8379, 9310, 9690, 9837, 10710, 10930, 11305, 11970, 12495, 13566, 13965, 14535, 14994, 15302, 15827, 16395, 16758, 18581, 19674, 20349, 20767, 22610, 22953, 24990, 27930, 29070, 31654, 32790, 33915, 37162, 37485, 38255, 40698, 41534, 41895, 45906, 47481, 49185, 53557, 55743, 62301, 67830, 68859, 74970, 76510, 79135, 83790, 92905, 94962, 98370, 101745, 103835, 107114, 111486, 114765, 124602, 130067, 137718, 142443, 145369, 158270, 160671, 167229, 185810, 186903, 203490, 207670, 229530, 237405, 260134, 267785, 278715, 284886, 290738, 311505, 321342, 334458, 344295, 353039, 373806, 390201, 436107, 474810, 482013, 535570, 557430, 623010, 650335, 688590, 706078, 712215, 726845, 780402, 803355, 836145, 872214, 910469, 934515, 964026, 1017583, 1059117, 1170603, 1300670, 1308321, 1424430, 1453690, 1606710, 1672290, 1765195, 1820938, 1869030, 1951005, 2035166, 2118234, 2180535, 2341206, 2410065, 2471273, 2616642, 2731407, 3052749, 3177351, 3530390, 3902010, 4361070, 4552345, 4820130, 4942546, 5087915, 5295585, 5462814, 5853015, 6105498, 6354702, 6541605, 7413819, 8194221, 9104690, 9158247, 10175830, 10591170, 11706030, 12356365, 13083210, 13657035, 14827638, 15263745, 15886755, 16388442, 17298911, 18316494, 22241457, 24712730, 27314070, 30527490, 31773510, 34597822, 37069095, 40971105, 44482914, 45791235, 51896733, 74138190, 81942210, 86494555, 91582470, 103793466, 111207285, 155690199, 172989110, 222414570, 259483665, 311380398, 518967330, 778450995, 1556901990]

約数ペア:

[(1, 1556901990), (2, 778450995), (3, 518967330), (5, 311380398), (6, 259483665), (7, 222414570), (9, 172989110), (10, 155690199), (14, 111207285), (15, 103793466), (17, 91582470), (18, 86494555), (19, 81942210), (21, 74138190), (30, 51896733), (34, 45791235), (35, 44482914), (38, 40971105), (42, 37069095), (45, 34597822), (49, 31773510), (51, 30527490), (57, 27314070), (63, 24712730), (70, 22241457), (85, 18316494), (90, 17298911), (95, 16388442), (98, 15886755), (102, 15263745), (105, 14827638), (114, 13657035), (119, 13083210), (126, 12356365), (133, 11706030), (147, 10591170), (153, 10175830), (170, 9158247), (171, 9104690), (190, 8194221), (210, 7413819), (238, 6541605), (245, 6354702), (255, 6105498), (266, 5853015), (285, 5462814), (294, 5295585), (306, 5087915), (315, 4942546), (323, 4820130), (342, 4552345), (357, 4361070), (399, 3902010), (441, 3530390), (490, 3177351), (510, 3052749), (570, 2731407), (595, 2616642), (630, 2471273), (646, 2410065), (665, 2341206), (714, 2180535), (735, 2118234), (765, 2035166), (798, 1951005), (833, 1869030), (855, 1820938), (882, 1765195), (931, 1672290), (969, 1606710), (1071, 1453690), (1093, 1424430), (1190, 1308321), (1197, 1300670), (1330, 1170603), (1470, 1059117), (1530, 1017583), (1615, 964026), (1666, 934515), (1710, 910469), (1785, 872214), (1862, 836145), (1938, 803355), (1995, 780402), (2142, 726845), (2186, 712215), (2205, 706078), (2261, 688590), (2394, 650335), (2499, 623010), (2793, 557430), (2907, 535570), (3230, 482013), (3279, 474810), (3570, 436107), (3990, 390201), (4165, 373806), (4410, 353039), (4522, 344295), (4655, 334458), (4845, 321342), (4998, 311505), (5355, 290738), (5465, 284886), (5586, 278715), (5814, 267785), (5985, 260134), (6558, 237405), (6783, 229530), (7497, 207670), (7651, 203490), (8330, 186903), (8379, 185810), (9310, 167229), (9690, 160671), (9837, 158270), (10710, 145369), (10930, 142443), (11305, 137718), (11970, 130067), (12495, 124602), (13566, 114765), (13965, 111486), (14535, 107114), (14994, 103835), (15302, 101745), (15827, 98370), (16395, 94962), (16758, 92905), (18581, 83790), (19674, 79135), (20349, 76510), (20767, 74970), (22610, 68859), (22953, 67830), (24990, 62301), (27930, 55743), (29070, 53557), (31654, 49185), (32790, 47481), (33915, 45906), (37162, 41895), (37485, 41534), (38255, 40698)]