218883870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:452

約数の個数: 160

約数和(自身を含む): 635627520

約数和(自身を除く): 416743650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 31, 45, 46, 54, 62, 69, 81, 90, 93, 115, 135, 138, 155, 162, 186, 207, 230, 270, 279, 310, 345, 379, 405, 414, 465, 558, 621, 690, 713, 758, 810, 837, 930, 1035, 1137, 1242, 1395, 1426, 1674, 1863, 1895, 2070, 2139, 2274, 2511, 2790, 3105, 3411, 3565, 3726, 3790, 4185, 4278, 5022, 5685, 6210, 6417, 6822, 7130, 8370, 8717, 9315, 10233, 10695, 11370, 11749, 12555, 12834, 17055, 17434, 18630, 19251, 20466, 21390, 23498, 25110, 26151, 30699, 32085, 34110, 35247, 38502, 43585, 51165, 52302, 57753, 58745, 61398, 64170, 70494, 78453, 87170, 96255, 102330, 105741, 115506, 117490, 130755, 153495, 156906, 176235, 192510, 211482, 235359, 261510, 270227, 288765, 306990, 317223, 352470, 392265, 470718, 528705, 540454, 577530, 634446, 706077, 784530, 810681, 951669, 1057410, 1176795, 1351135, 1412154, 1586115, 1621362, 1903338, 2353590, 2432043, 2702270, 3172230, 3530385, 4053405, 4758345, 4864086, 7060770, 7296129, 8106810, 9516690, 12160215, 14592258, 21888387, 24320430, 36480645, 43776774, 72961290, 109441935, 218883870]

約数ペア:

[(1, 218883870), (2, 109441935), (3, 72961290), (5, 43776774), (6, 36480645), (9, 24320430), (10, 21888387), (15, 14592258), (18, 12160215), (23, 9516690), (27, 8106810), (30, 7296129), (31, 7060770), (45, 4864086), (46, 4758345), (54, 4053405), (62, 3530385), (69, 3172230), (81, 2702270), (90, 2432043), (93, 2353590), (115, 1903338), (135, 1621362), (138, 1586115), (155, 1412154), (162, 1351135), (186, 1176795), (207, 1057410), (230, 951669), (270, 810681), (279, 784530), (310, 706077), (345, 634446), (379, 577530), (405, 540454), (414, 528705), (465, 470718), (558, 392265), (621, 352470), (690, 317223), (713, 306990), (758, 288765), (810, 270227), (837, 261510), (930, 235359), (1035, 211482), (1137, 192510), (1242, 176235), (1395, 156906), (1426, 153495), (1674, 130755), (1863, 117490), (1895, 115506), (2070, 105741), (2139, 102330), (2274, 96255), (2511, 87170), (2790, 78453), (3105, 70494), (3411, 64170), (3565, 61398), (3726, 58745), (3790, 57753), (4185, 52302), (4278, 51165), (5022, 43585), (5685, 38502), (6210, 35247), (6417, 34110), (6822, 32085), (7130, 30699), (8370, 26151), (8717, 25110), (9315, 23498), (10233, 21390), (10695, 20466), (11370, 19251), (11749, 18630), (12555, 17434), (12834, 17055)]