252748860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:445

約数の個数: 288

約数和(自身を含む): 941129280

約数和(自身を除く): 688380420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 49, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 98, 102, 105, 119, 130, 140, 147, 156, 170, 182, 195, 196, 204, 210, 221, 238, 245, 255, 260, 273, 294, 340, 357, 364, 389, 390, 420, 442, 455, 476, 490, 510, 546, 588, 595, 637, 663, 714, 735, 778, 780, 833, 884, 910, 980, 1020, 1092, 1105, 1167, 1190, 1274, 1326, 1365, 1428, 1470, 1547, 1556, 1666, 1785, 1820, 1911, 1945, 2210, 2334, 2380, 2499, 2548, 2652, 2723, 2730, 2940, 3094, 3185, 3315, 3332, 3570, 3822, 3890, 4165, 4420, 4641, 4668, 4998, 5057, 5446, 5460, 5835, 6188, 6370, 6613, 6630, 7140, 7644, 7735, 7780, 8169, 8330, 9282, 9555, 9996, 10114, 10829, 10892, 11670, 12495, 12740, 13226, 13260, 13615, 15171, 15470, 16338, 16660, 18564, 19061, 19110, 19839, 20228, 21658, 23205, 23340, 24990, 25285, 26452, 27230, 30342, 30940, 32487, 32676, 33065, 35399, 38122, 38220, 39678, 40845, 43316, 46291, 46410, 49980, 50570, 54145, 54460, 57183, 60684, 64974, 66130, 70798, 75855, 76244, 79356, 81690, 85969, 92582, 92820, 95305, 99195, 101140, 106197, 108290, 114366, 129948, 132260, 138873, 141596, 151710, 162435, 163380, 171938, 176995, 185164, 190610, 198390, 212394, 216580, 228732, 231455, 247793, 257907, 277746, 285915, 303420, 324037, 324870, 343876, 353990, 381220, 396780, 424788, 429845, 462910, 495586, 515814, 530985, 555492, 571830, 601783, 648074, 649740, 694365, 707980, 743379, 859690, 925820, 972111, 991172, 1031628, 1061970, 1143660, 1203566, 1238965, 1289535, 1296148, 1388730, 1486758, 1620185, 1719380, 1805349, 1944222, 2123940, 2407132, 2477930, 2579070, 2777460, 2973516, 3008915, 3240370, 3610698, 3716895, 3888444, 4212481, 4860555, 4955860, 5158140, 6017830, 6480740, 7221396, 7433790, 8424962, 9026745, 9721110, 12035660, 12637443, 14867580, 16849924, 18053490, 19442220, 21062405, 25274886, 36106980, 42124810, 50549772, 63187215, 84249620, 126374430, 252748860]

約数ペア:

[(1, 252748860), (2, 126374430), (3, 84249620), (4, 63187215), (5, 50549772), (6, 42124810), (7, 36106980), (10, 25274886), (12, 21062405), (13, 19442220), (14, 18053490), (15, 16849924), (17, 14867580), (20, 12637443), (21, 12035660), (26, 9721110), (28, 9026745), (30, 8424962), (34, 7433790), (35, 7221396), (39, 6480740), (42, 6017830), (49, 5158140), (51, 4955860), (52, 4860555), (60, 4212481), (65, 3888444), (68, 3716895), (70, 3610698), (78, 3240370), (84, 3008915), (85, 2973516), (91, 2777460), (98, 2579070), (102, 2477930), (105, 2407132), (119, 2123940), (130, 1944222), (140, 1805349), (147, 1719380), (156, 1620185), (170, 1486758), (182, 1388730), (195, 1296148), (196, 1289535), (204, 1238965), (210, 1203566), (221, 1143660), (238, 1061970), (245, 1031628), (255, 991172), (260, 972111), (273, 925820), (294, 859690), (340, 743379), (357, 707980), (364, 694365), (389, 649740), (390, 648074), (420, 601783), (442, 571830), (455, 555492), (476, 530985), (490, 515814), (510, 495586), (546, 462910), (588, 429845), (595, 424788), (637, 396780), (663, 381220), (714, 353990), (735, 343876), (778, 324870), (780, 324037), (833, 303420), (884, 285915), (910, 277746), (980, 257907), (1020, 247793), (1092, 231455), (1105, 228732), (1167, 216580), (1190, 212394), (1274, 198390), (1326, 190610), (1365, 185164), (1428, 176995), (1470, 171938), (1547, 163380), (1556, 162435), (1666, 151710), (1785, 141596), (1820, 138873), (1911, 132260), (1945, 129948), (2210, 114366), (2334, 108290), (2380, 106197), (2499, 101140), (2548, 99195), (2652, 95305), (2723, 92820), (2730, 92582), (2940, 85969), (3094, 81690), (3185, 79356), (3315, 76244), (3332, 75855), (3570, 70798), (3822, 66130), (3890, 64974), (4165, 60684), (4420, 57183), (4641, 54460), (4668, 54145), (4998, 50570), (5057, 49980), (5446, 46410), (5460, 46291), (5835, 43316), (6188, 40845), (6370, 39678), (6613, 38220), (6630, 38122), (7140, 35399), (7644, 33065), (7735, 32676), (7780, 32487), (8169, 30940), (8330, 30342), (9282, 27230), (9555, 26452), (9996, 25285), (10114, 24990), (10829, 23340), (10892, 23205), (11670, 21658), (12495, 20228), (12740, 19839), (13226, 19110), (13260, 19061), (13615, 18564), (15171, 16660), (15470, 16338)]