72937540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 172730880

約数和(自身を除く): 99793340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 67, 79, 106, 130, 134, 158, 212, 260, 265, 268, 316, 335, 395, 530, 670, 689, 790, 871, 1027, 1060, 1340, 1378, 1580, 1742, 2054, 2756, 3445, 3484, 3551, 4108, 4187, 4355, 5135, 5293, 6890, 7102, 8374, 8710, 10270, 10586, 13780, 14204, 16748, 17420, 17755, 20540, 20935, 21172, 26465, 35510, 41870, 46163, 52930, 54431, 68809, 71020, 83740, 92326, 105860, 108862, 137618, 184652, 217724, 230815, 272155, 275236, 280529, 344045, 461630, 544310, 561058, 688090, 923260, 1088620, 1122116, 1376180, 1402645, 2805290, 3646877, 5610580, 7293754, 14587508, 18234385, 36468770, 72937540]

約数ペア:

[(1, 72937540), (2, 36468770), (4, 18234385), (5, 14587508), (10, 7293754), (13, 5610580), (20, 3646877), (26, 2805290), (52, 1402645), (53, 1376180), (65, 1122116), (67, 1088620), (79, 923260), (106, 688090), (130, 561058), (134, 544310), (158, 461630), (212, 344045), (260, 280529), (265, 275236), (268, 272155), (316, 230815), (335, 217724), (395, 184652), (530, 137618), (670, 108862), (689, 105860), (790, 92326), (871, 83740), (1027, 71020), (1060, 68809), (1340, 54431), (1378, 52930), (1580, 46163), (1742, 41870), (2054, 35510), (2756, 26465), (3445, 21172), (3484, 20935), (3551, 20540), (4108, 17755), (4187, 17420), (4355, 16748), (5135, 14204), (5293, 13780), (6890, 10586), (7102, 10270), (8374, 8710)]