1815902010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:494

約数の個数: 256

約数和(自身を含む): 5579481600

約数和(自身を除く): 3763579590

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 27, 30, 38, 39, 45, 54, 57, 65, 73, 78, 90, 95, 114, 117, 130, 135, 146, 171, 190, 195, 219, 234, 247, 270, 285, 342, 351, 365, 373, 390, 438, 494, 513, 570, 585, 657, 702, 730, 741, 746, 855, 949, 1026, 1095, 1119, 1170, 1235, 1314, 1387, 1482, 1710, 1755, 1865, 1898, 1971, 2190, 2223, 2238, 2470, 2565, 2774, 2847, 3285, 3357, 3510, 3705, 3730, 3942, 4161, 4446, 4745, 4849, 5130, 5595, 5694, 6570, 6669, 6714, 6935, 7087, 7410, 8322, 8541, 9490, 9698, 9855, 10071, 11115, 11190, 12483, 13338, 13870, 14174, 14235, 14547, 16785, 17082, 18031, 19710, 20142, 20805, 21261, 22230, 24245, 24966, 25623, 27229, 28470, 29094, 33345, 33570, 35435, 36062, 37449, 41610, 42522, 42705, 43641, 48490, 50355, 51246, 54093, 54458, 62415, 63783, 66690, 70870, 72735, 74898, 81687, 85410, 87282, 90155, 92131, 100710, 106305, 108186, 124830, 127566, 128115, 130923, 136145, 145470, 162279, 163374, 180310, 184262, 187245, 191349, 212610, 218205, 245061, 256230, 261846, 270465, 272290, 276393, 318915, 324558, 353977, 374490, 382698, 408435, 436410, 460655, 486837, 490122, 517351, 540930, 552786, 637830, 654615, 707954, 735183, 811395, 816870, 829179, 921310, 956745, 973674, 1034702, 1061931, 1225305, 1309230, 1381965, 1470366, 1552053, 1622790, 1658358, 1769885, 1913490, 2123862, 2434185, 2450610, 2487537, 2586755, 2763930, 3104106, 3185793, 3539770, 3675915, 4145895, 4656159, 4868370, 4975074, 5173510, 5309655, 6371586, 6725563, 7351830, 7760265, 8291790, 9312318, 9557379, 10619310, 12437685, 13451126, 13968477, 15520530, 15928965, 19114758, 20176689, 23280795, 24875370, 27936954, 31857930, 33627815, 40353378, 46561590, 47786895, 60530067, 67255630, 69842385, 95573790, 100883445, 121060134, 139684770, 181590201, 201766890, 302650335, 363180402, 605300670, 907951005, 1815902010]

約数ペア:

[(1, 1815902010), (2, 907951005), (3, 605300670), (5, 363180402), (6, 302650335), (9, 201766890), (10, 181590201), (13, 139684770), (15, 121060134), (18, 100883445), (19, 95573790), (26, 69842385), (27, 67255630), (30, 60530067), (38, 47786895), (39, 46561590), (45, 40353378), (54, 33627815), (57, 31857930), (65, 27936954), (73, 24875370), (78, 23280795), (90, 20176689), (95, 19114758), (114, 15928965), (117, 15520530), (130, 13968477), (135, 13451126), (146, 12437685), (171, 10619310), (190, 9557379), (195, 9312318), (219, 8291790), (234, 7760265), (247, 7351830), (270, 6725563), (285, 6371586), (342, 5309655), (351, 5173510), (365, 4975074), (373, 4868370), (390, 4656159), (438, 4145895), (494, 3675915), (513, 3539770), (570, 3185793), (585, 3104106), (657, 2763930), (702, 2586755), (730, 2487537), (741, 2450610), (746, 2434185), (855, 2123862), (949, 1913490), (1026, 1769885), (1095, 1658358), (1119, 1622790), (1170, 1552053), (1235, 1470366), (1314, 1381965), (1387, 1309230), (1482, 1225305), (1710, 1061931), (1755, 1034702), (1865, 973674), (1898, 956745), (1971, 921310), (2190, 829179), (2223, 816870), (2238, 811395), (2470, 735183), (2565, 707954), (2774, 654615), (2847, 637830), (3285, 552786), (3357, 540930), (3510, 517351), (3705, 490122), (3730, 486837), (3942, 460655), (4161, 436410), (4446, 408435), (4745, 382698), (4849, 374490), (5130, 353977), (5595, 324558), (5694, 318915), (6570, 276393), (6669, 272290), (6714, 270465), (6935, 261846), (7087, 256230), (7410, 245061), (8322, 218205), (8541, 212610), (9490, 191349), (9698, 187245), (9855, 184262), (10071, 180310), (11115, 163374), (11190, 162279), (12483, 145470), (13338, 136145), (13870, 130923), (14174, 128115), (14235, 127566), (14547, 124830), (16785, 108186), (17082, 106305), (18031, 100710), (19710, 92131), (20142, 90155), (20805, 87282), (21261, 85410), (22230, 81687), (24245, 74898), (24966, 72735), (25623, 70870), (27229, 66690), (28470, 63783), (29094, 62415), (33345, 54458), (33570, 54093), (35435, 51246), (36062, 50355), (37449, 48490), (41610, 43641), (42522, 42705)]