72197580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1889}}^1$

素因数の和:1928

約数の個数: 144

約数和(自身を含む): 253380960

約数和(自身を除く): 181183380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1889, 1911, 2548, 2730, 2940, 3185, 3778, 3822, 5460, 5667, 6370, 7556, 7644, 9445, 9555, 11334, 12740, 13223, 18890, 19110, 22668, 24557, 26446, 28335, 37780, 38220, 39669, 49114, 52892, 56670, 66115, 73671, 79338, 92561, 98228, 113340, 122785, 132230, 147342, 158676, 171899, 185122, 198345, 245570, 264460, 277683, 294684, 343798, 368355, 370244, 396690, 462805, 491140, 515697, 555366, 687596, 736710, 793380, 859495, 925610, 1031394, 1110732, 1203293, 1388415, 1473420, 1718990, 1851220, 2062788, 2406586, 2578485, 2776830, 3437980, 3609879, 4813172, 5156970, 5553660, 6016465, 7219758, 10313940, 12032930, 14439516, 18049395, 24065860, 36098790, 72197580]

約数ペア:

[(1, 72197580), (2, 36098790), (3, 24065860), (4, 18049395), (5, 14439516), (6, 12032930), (7, 10313940), (10, 7219758), (12, 6016465), (13, 5553660), (14, 5156970), (15, 4813172), (20, 3609879), (21, 3437980), (26, 2776830), (28, 2578485), (30, 2406586), (35, 2062788), (39, 1851220), (42, 1718990), (49, 1473420), (52, 1388415), (60, 1203293), (65, 1110732), (70, 1031394), (78, 925610), (84, 859495), (91, 793380), (98, 736710), (105, 687596), (130, 555366), (140, 515697), (147, 491140), (156, 462805), (182, 396690), (195, 370244), (196, 368355), (210, 343798), (245, 294684), (260, 277683), (273, 264460), (294, 245570), (364, 198345), (390, 185122), (420, 171899), (455, 158676), (490, 147342), (546, 132230), (588, 122785), (637, 113340), (735, 98228), (780, 92561), (910, 79338), (980, 73671), (1092, 66115), (1274, 56670), (1365, 52892), (1470, 49114), (1820, 39669), (1889, 38220), (1911, 37780), (2548, 28335), (2730, 26446), (2940, 24557), (3185, 22668), (3778, 19110), (3822, 18890), (5460, 13223), (5667, 12740), (6370, 11334), (7556, 9555), (7644, 9445)]