64880250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 177465600

約数和(自身を除く): 112585350

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 29, 30, 38, 50, 57, 58, 75, 87, 95, 114, 125, 145, 150, 157, 174, 190, 250, 285, 290, 314, 375, 435, 471, 475, 551, 570, 725, 750, 785, 870, 942, 950, 1102, 1425, 1450, 1570, 1653, 2175, 2355, 2375, 2755, 2850, 2983, 3306, 3625, 3925, 4350, 4553, 4710, 4750, 5510, 5966, 7125, 7250, 7850, 8265, 8949, 9106, 10875, 11775, 13659, 13775, 14250, 14915, 16530, 17898, 19625, 21750, 22765, 23550, 27318, 27550, 29830, 39250, 41325, 44745, 45530, 58875, 68295, 68875, 74575, 82650, 86507, 89490, 113825, 117750, 136590, 137750, 149150, 173014, 206625, 223725, 227650, 259521, 341475, 372875, 413250, 432535, 447450, 519042, 569125, 682950, 745750, 865070, 1118625, 1138250, 1297605, 1707375, 2162675, 2237250, 2595210, 3414750, 4325350, 6488025, 10813375, 12976050, 21626750, 32440125, 64880250]

約数ペア:

[(1, 64880250), (2, 32440125), (3, 21626750), (5, 12976050), (6, 10813375), (10, 6488025), (15, 4325350), (19, 3414750), (25, 2595210), (29, 2237250), (30, 2162675), (38, 1707375), (50, 1297605), (57, 1138250), (58, 1118625), (75, 865070), (87, 745750), (95, 682950), (114, 569125), (125, 519042), (145, 447450), (150, 432535), (157, 413250), (174, 372875), (190, 341475), (250, 259521), (285, 227650), (290, 223725), (314, 206625), (375, 173014), (435, 149150), (471, 137750), (475, 136590), (551, 117750), (570, 113825), (725, 89490), (750, 86507), (785, 82650), (870, 74575), (942, 68875), (950, 68295), (1102, 58875), (1425, 45530), (1450, 44745), (1570, 41325), (1653, 39250), (2175, 29830), (2355, 27550), (2375, 27318), (2755, 23550), (2850, 22765), (2983, 21750), (3306, 19625), (3625, 17898), (3925, 16530), (4350, 14915), (4553, 14250), (4710, 13775), (4750, 13659), (5510, 11775), (5966, 10875), (7125, 9106), (7250, 8949), (7850, 8265)]