51731550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 144

約数和(自身を含む): 154365120

約数和(自身を除く): 102633570

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 37, 39, 45, 50, 65, 74, 75, 78, 90, 111, 117, 130, 150, 185, 195, 222, 225, 234, 239, 325, 333, 370, 390, 450, 478, 481, 555, 585, 650, 666, 717, 925, 962, 975, 1110, 1170, 1195, 1434, 1443, 1665, 1850, 1950, 2151, 2390, 2405, 2775, 2886, 2925, 3107, 3330, 3585, 4302, 4329, 4810, 5550, 5850, 5975, 6214, 7170, 7215, 8325, 8658, 8843, 9321, 10755, 11950, 12025, 14430, 15535, 16650, 17686, 17925, 18642, 21510, 21645, 24050, 26529, 27963, 31070, 35850, 36075, 43290, 44215, 46605, 53058, 53775, 55926, 72150, 77675, 79587, 88430, 93210, 107550, 108225, 114959, 132645, 139815, 155350, 159174, 216450, 221075, 229918, 233025, 265290, 279630, 344877, 397935, 442150, 466050, 574795, 663225, 689754, 699075, 795870, 1034631, 1149590, 1326450, 1398150, 1724385, 1989675, 2069262, 2873975, 3448770, 3979350, 5173155, 5747950, 8621925, 10346310, 17243850, 25865775, 51731550]

約数ペア:

[(1, 51731550), (2, 25865775), (3, 17243850), (5, 10346310), (6, 8621925), (9, 5747950), (10, 5173155), (13, 3979350), (15, 3448770), (18, 2873975), (25, 2069262), (26, 1989675), (30, 1724385), (37, 1398150), (39, 1326450), (45, 1149590), (50, 1034631), (65, 795870), (74, 699075), (75, 689754), (78, 663225), (90, 574795), (111, 466050), (117, 442150), (130, 397935), (150, 344877), (185, 279630), (195, 265290), (222, 233025), (225, 229918), (234, 221075), (239, 216450), (325, 159174), (333, 155350), (370, 139815), (390, 132645), (450, 114959), (478, 108225), (481, 107550), (555, 93210), (585, 88430), (650, 79587), (666, 77675), (717, 72150), (925, 55926), (962, 53775), (975, 53058), (1110, 46605), (1170, 44215), (1195, 43290), (1434, 36075), (1443, 35850), (1665, 31070), (1850, 27963), (1950, 26529), (2151, 24050), (2390, 21645), (2405, 21510), (2775, 18642), (2886, 17925), (2925, 17686), (3107, 16650), (3330, 15535), (3585, 14430), (4302, 12025), (4329, 11950), (4810, 10755), (5550, 9321), (5850, 8843), (5975, 8658), (6214, 8325), (7170, 7215)]