172807020

素因数分解:

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

素因数の和:123

約数の個数: 216

約数和(自身を含む): 576877392

約数和(自身を除く): 404070372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 37, 45, 54, 60, 62, 74, 81, 90, 93, 108, 111, 124, 135, 148, 155, 162, 180, 185, 186, 222, 243, 270, 279, 310, 324, 333, 370, 372, 405, 444, 465, 486, 540, 555, 558, 620, 666, 740, 810, 837, 930, 961, 972, 999, 1110, 1116, 1147, 1215, 1332, 1395, 1620, 1665, 1674, 1860, 1922, 1998, 2220, 2294, 2430, 2511, 2790, 2883, 2997, 3330, 3348, 3441, 3844, 3996, 4185, 4588, 4805, 4860, 4995, 5022, 5580, 5735, 5766, 5994, 6660, 6882, 7533, 8370, 8649, 8991, 9610, 9990, 10044, 10323, 11470, 11532, 11988, 12555, 13764, 14415, 14985, 15066, 16740, 17205, 17298, 17982, 19220, 19980, 20646, 22940, 25110, 25947, 28830, 29970, 30132, 30969, 34410, 34596, 35557, 35964, 37665, 41292, 43245, 44955, 50220, 51615, 51894, 57660, 59940, 61938, 68820, 71114, 75330, 77841, 86490, 89910, 92907, 103230, 103788, 106671, 123876, 129735, 142228, 150660, 154845, 155682, 172980, 177785, 179820, 185814, 206460, 213342, 233523, 259470, 278721, 309690, 311364, 320013, 355570, 371628, 389205, 426684, 464535, 467046, 518940, 533355, 557442, 619380, 640026, 711140, 778410, 929070, 934092, 960039, 1066710, 1114884, 1167615, 1280052, 1393605, 1556820, 1600065, 1858140, 1920078, 2133420, 2335230, 2787210, 2880117, 3200130, 3840156, 4670460, 4800195, 5574420, 5760234, 6400260, 8640351, 9600390, 11520468, 14400585, 17280702, 19200780, 28801170, 34561404, 43201755, 57602340, 86403510, 172807020]

約数ペア:

[(1, 172807020), (2, 86403510), (3, 57602340), (4, 43201755), (5, 34561404), (6, 28801170), (9, 19200780), (10, 17280702), (12, 14400585), (15, 11520468), (18, 9600390), (20, 8640351), (27, 6400260), (30, 5760234), (31, 5574420), (36, 4800195), (37, 4670460), (45, 3840156), (54, 3200130), (60, 2880117), (62, 2787210), (74, 2335230), (81, 2133420), (90, 1920078), (93, 1858140), (108, 1600065), (111, 1556820), (124, 1393605), (135, 1280052), (148, 1167615), (155, 1114884), (162, 1066710), (180, 960039), (185, 934092), (186, 929070), (222, 778410), (243, 711140), (270, 640026), (279, 619380), (310, 557442), (324, 533355), (333, 518940), (370, 467046), (372, 464535), (405, 426684), (444, 389205), (465, 371628), (486, 355570), (540, 320013), (555, 311364), (558, 309690), (620, 278721), (666, 259470), (740, 233523), (810, 213342), (837, 206460), (930, 185814), (961, 179820), (972, 177785), (999, 172980), (1110, 155682), (1116, 154845), (1147, 150660), (1215, 142228), (1332, 129735), (1395, 123876), (1620, 106671), (1665, 103788), (1674, 103230), (1860, 92907), (1922, 89910), (1998, 86490), (2220, 77841), (2294, 75330), (2430, 71114), (2511, 68820), (2790, 61938), (2883, 59940), (2997, 57660), (3330, 51894), (3348, 51615), (3441, 50220), (3844, 44955), (3996, 43245), (4185, 41292), (4588, 37665), (4805, 35964), (4860, 35557), (4995, 34596), (5022, 34410), (5580, 30969), (5735, 30132), (5766, 29970), (5994, 28830), (6660, 25947), (6882, 25110), (7533, 22940), (8370, 20646), (8649, 19980), (8991, 19220), (9610, 17982), (9990, 17298), (10044, 17205), (10323, 16740), (11470, 15066), (11532, 14985), (11988, 14415), (12555, 13764)]