72123050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 72

約数和(自身を含む): 147758400

約数和(自身を除く): 75635350

約数列:

[1, 2, 5, 10, 19, 25, 31, 38, 50, 62, 79, 95, 155, 158, 190, 310, 395, 475, 589, 775, 790, 950, 961, 1178, 1501, 1550, 1922, 1975, 2449, 2945, 3002, 3950, 4805, 4898, 5890, 7505, 9610, 12245, 14725, 15010, 18259, 24025, 24490, 29450, 36518, 37525, 46531, 48050, 61225, 75050, 75919, 91295, 93062, 122450, 151838, 182590, 232655, 379595, 456475, 465310, 759190, 912950, 1163275, 1442461, 1897975, 2326550, 2884922, 3795950, 7212305, 14424610, 36061525, 72123050]

約数ペア:

[(1, 72123050), (2, 36061525), (5, 14424610), (10, 7212305), (19, 3795950), (25, 2884922), (31, 2326550), (38, 1897975), (50, 1442461), (62, 1163275), (79, 912950), (95, 759190), (155, 465310), (158, 456475), (190, 379595), (310, 232655), (395, 182590), (475, 151838), (589, 122450), (775, 93062), (790, 91295), (950, 75919), (961, 75050), (1178, 61225), (1501, 48050), (1550, 46531), (1922, 37525), (1975, 36518), (2449, 29450), (2945, 24490), (3002, 24025), (3950, 18259), (4805, 15010), (4898, 14725), (5890, 12245), (7505, 9610)]