281647710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^2$

素因数の和:191

約数の個数: 144

約数和(自身を含む): 795450240

約数和(自身を除く): 513802530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 31, 45, 58, 59, 62, 87, 90, 93, 118, 145, 155, 174, 177, 186, 261, 279, 290, 295, 310, 354, 435, 465, 522, 531, 558, 590, 870, 885, 899, 930, 1062, 1305, 1395, 1711, 1770, 1798, 1829, 2610, 2655, 2697, 2790, 3422, 3481, 3658, 4495, 5133, 5310, 5394, 5487, 6962, 8091, 8555, 8990, 9145, 10266, 10443, 10974, 13485, 15399, 16182, 16461, 17110, 17405, 18290, 20886, 25665, 26970, 27435, 30798, 31329, 32922, 34810, 40455, 51330, 52215, 53041, 54870, 62658, 76995, 80910, 82305, 100949, 104430, 106082, 107911, 153990, 156645, 159123, 164610, 201898, 215822, 265205, 302847, 313290, 318246, 323733, 477369, 504745, 530410, 539555, 605694, 647466, 795615, 908541, 954738, 971199, 1009490, 1079110, 1514235, 1591230, 1618665, 1817082, 1942398, 2386845, 3028470, 3129419, 3237330, 4542705, 4773690, 4855995, 6258838, 9085410, 9388257, 9711990, 15647095, 18776514, 28164771, 31294190, 46941285, 56329542, 93882570, 140823855, 281647710]

約数ペア:

[(1, 281647710), (2, 140823855), (3, 93882570), (5, 56329542), (6, 46941285), (9, 31294190), (10, 28164771), (15, 18776514), (18, 15647095), (29, 9711990), (30, 9388257), (31, 9085410), (45, 6258838), (58, 4855995), (59, 4773690), (62, 4542705), (87, 3237330), (90, 3129419), (93, 3028470), (118, 2386845), (145, 1942398), (155, 1817082), (174, 1618665), (177, 1591230), (186, 1514235), (261, 1079110), (279, 1009490), (290, 971199), (295, 954738), (310, 908541), (354, 795615), (435, 647466), (465, 605694), (522, 539555), (531, 530410), (558, 504745), (590, 477369), (870, 323733), (885, 318246), (899, 313290), (930, 302847), (1062, 265205), (1305, 215822), (1395, 201898), (1711, 164610), (1770, 159123), (1798, 156645), (1829, 153990), (2610, 107911), (2655, 106082), (2697, 104430), (2790, 100949), (3422, 82305), (3481, 80910), (3658, 76995), (4495, 62658), (5133, 54870), (5310, 53041), (5394, 52215), (5487, 51330), (6962, 40455), (8091, 34810), (8555, 32922), (8990, 31329), (9145, 30798), (10266, 27435), (10443, 26970), (10974, 25665), (13485, 20886), (15399, 18290), (16182, 17405), (16461, 17110)]