25981740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 84913920

約数和(自身を除く): 58932180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 71, 76, 90, 95, 107, 114, 142, 171, 180, 190, 213, 214, 228, 284, 285, 321, 342, 355, 380, 426, 428, 535, 570, 639, 642, 684, 710, 852, 855, 963, 1065, 1070, 1140, 1278, 1284, 1349, 1420, 1605, 1710, 1926, 2033, 2130, 2140, 2556, 2698, 3195, 3210, 3420, 3852, 4047, 4066, 4260, 4815, 5396, 6099, 6390, 6420, 6745, 7597, 8094, 8132, 9630, 10165, 12141, 12198, 12780, 13490, 15194, 16188, 18297, 19260, 20235, 20330, 22791, 24282, 24396, 26980, 30388, 30495, 36594, 37985, 40470, 40660, 45582, 48564, 60705, 60990, 68373, 73188, 75970, 80940, 91164, 91485, 113955, 121410, 121980, 136746, 144343, 151940, 182970, 227910, 242820, 273492, 288686, 341865, 365940, 433029, 455820, 577372, 683730, 721715, 866058, 1299087, 1367460, 1443430, 1732116, 2165145, 2598174, 2886860, 4330290, 5196348, 6495435, 8660580, 12990870, 25981740]

約数ペア:

[(1, 25981740), (2, 12990870), (3, 8660580), (4, 6495435), (5, 5196348), (6, 4330290), (9, 2886860), (10, 2598174), (12, 2165145), (15, 1732116), (18, 1443430), (19, 1367460), (20, 1299087), (30, 866058), (36, 721715), (38, 683730), (45, 577372), (57, 455820), (60, 433029), (71, 365940), (76, 341865), (90, 288686), (95, 273492), (107, 242820), (114, 227910), (142, 182970), (171, 151940), (180, 144343), (190, 136746), (213, 121980), (214, 121410), (228, 113955), (284, 91485), (285, 91164), (321, 80940), (342, 75970), (355, 73188), (380, 68373), (426, 60990), (428, 60705), (535, 48564), (570, 45582), (639, 40660), (642, 40470), (684, 37985), (710, 36594), (852, 30495), (855, 30388), (963, 26980), (1065, 24396), (1070, 24282), (1140, 22791), (1278, 20330), (1284, 20235), (1349, 19260), (1420, 18297), (1605, 16188), (1710, 15194), (1926, 13490), (2033, 12780), (2130, 12198), (2140, 12141), (2556, 10165), (2698, 9630), (3195, 8132), (3210, 8094), (3420, 7597), (3852, 6745), (4047, 6420), (4066, 6390), (4260, 6099), (4815, 5396)]