66686580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:119

約数の個数: 288

約数和(自身を含む): 239016960

約数和(自身を除く): 172330380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 31, 34, 36, 37, 38, 45, 51, 57, 60, 62, 68, 74, 76, 85, 90, 93, 95, 102, 111, 114, 124, 148, 153, 155, 170, 171, 180, 185, 186, 190, 204, 222, 228, 255, 279, 285, 306, 310, 323, 333, 340, 342, 370, 372, 380, 444, 465, 510, 527, 555, 558, 570, 589, 612, 620, 629, 646, 666, 684, 703, 740, 765, 855, 930, 969, 1020, 1054, 1110, 1116, 1140, 1147, 1178, 1258, 1292, 1332, 1395, 1406, 1530, 1581, 1615, 1665, 1710, 1767, 1860, 1887, 1938, 2108, 2109, 2220, 2294, 2356, 2516, 2635, 2790, 2812, 2907, 2945, 3060, 3145, 3162, 3230, 3330, 3420, 3441, 3515, 3534, 3774, 3876, 4218, 4588, 4743, 4845, 5270, 5301, 5580, 5661, 5735, 5814, 5890, 6290, 6324, 6327, 6460, 6660, 6882, 7030, 7068, 7548, 7905, 8436, 8835, 9435, 9486, 9690, 10013, 10323, 10540, 10545, 10602, 11322, 11470, 11628, 11780, 11951, 12580, 12654, 13764, 14060, 14535, 15810, 17205, 17670, 18870, 18972, 19380, 19499, 20026, 20646, 21090, 21204, 21793, 22644, 22940, 23715, 23902, 25308, 26505, 28305, 29070, 30039, 31620, 31635, 34410, 35340, 35853, 37740, 38998, 40052, 41292, 42180, 43586, 47430, 47804, 50065, 51615, 53010, 56610, 58140, 58497, 59755, 60078, 63270, 65379, 68820, 71706, 77996, 87172, 90117, 94860, 97495, 100130, 103230, 106020, 107559, 108965, 113220, 116994, 119510, 120156, 126540, 130758, 143412, 150195, 175491, 179265, 180234, 194990, 196137, 200260, 206460, 215118, 217930, 233988, 239020, 261516, 292485, 300390, 326895, 350982, 358530, 360468, 370481, 389980, 392274, 430236, 435860, 450585, 537795, 584970, 600780, 653790, 701964, 717060, 740962, 784548, 877455, 901170, 980685, 1075590, 1111443, 1169940, 1307580, 1481924, 1754910, 1802340, 1852405, 1961370, 2151180, 2222886, 3334329, 3509820, 3704810, 3922740, 4445772, 5557215, 6668658, 7409620, 11114430, 13337316, 16671645, 22228860, 33343290, 66686580]

約数ペア:

[(1, 66686580), (2, 33343290), (3, 22228860), (4, 16671645), (5, 13337316), (6, 11114430), (9, 7409620), (10, 6668658), (12, 5557215), (15, 4445772), (17, 3922740), (18, 3704810), (19, 3509820), (20, 3334329), (30, 2222886), (31, 2151180), (34, 1961370), (36, 1852405), (37, 1802340), (38, 1754910), (45, 1481924), (51, 1307580), (57, 1169940), (60, 1111443), (62, 1075590), (68, 980685), (74, 901170), (76, 877455), (85, 784548), (90, 740962), (93, 717060), (95, 701964), (102, 653790), (111, 600780), (114, 584970), (124, 537795), (148, 450585), (153, 435860), (155, 430236), (170, 392274), (171, 389980), (180, 370481), (185, 360468), (186, 358530), (190, 350982), (204, 326895), (222, 300390), (228, 292485), (255, 261516), (279, 239020), (285, 233988), (306, 217930), (310, 215118), (323, 206460), (333, 200260), (340, 196137), (342, 194990), (370, 180234), (372, 179265), (380, 175491), (444, 150195), (465, 143412), (510, 130758), (527, 126540), (555, 120156), (558, 119510), (570, 116994), (589, 113220), (612, 108965), (620, 107559), (629, 106020), (646, 103230), (666, 100130), (684, 97495), (703, 94860), (740, 90117), (765, 87172), (855, 77996), (930, 71706), (969, 68820), (1020, 65379), (1054, 63270), (1110, 60078), (1116, 59755), (1140, 58497), (1147, 58140), (1178, 56610), (1258, 53010), (1292, 51615), (1332, 50065), (1395, 47804), (1406, 47430), (1530, 43586), (1581, 42180), (1615, 41292), (1665, 40052), (1710, 38998), (1767, 37740), (1860, 35853), (1887, 35340), (1938, 34410), (2108, 31635), (2109, 31620), (2220, 30039), (2294, 29070), (2356, 28305), (2516, 26505), (2635, 25308), (2790, 23902), (2812, 23715), (2907, 22940), (2945, 22644), (3060, 21793), (3145, 21204), (3162, 21090), (3230, 20646), (3330, 20026), (3420, 19499), (3441, 19380), (3515, 18972), (3534, 18870), (3774, 17670), (3876, 17205), (4218, 15810), (4588, 14535), (4743, 14060), (4845, 13764), (5270, 12654), (5301, 12580), (5580, 11951), (5661, 11780), (5735, 11628), (5814, 11470), (5890, 11322), (6290, 10602), (6324, 10545), (6327, 10540), (6460, 10323), (6660, 10013), (6882, 9690), (7030, 9486), (7068, 9435), (7548, 8835), (7905, 8436)]