157807360

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 403828992

約数和(自身を除く): 246021632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 97, 124, 128, 155, 160, 164, 194, 205, 248, 256, 310, 320, 328, 388, 410, 485, 496, 620, 640, 656, 776, 820, 970, 992, 1240, 1271, 1280, 1312, 1552, 1640, 1940, 1984, 2480, 2542, 2624, 3007, 3104, 3280, 3880, 3968, 3977, 4960, 5084, 5248, 6014, 6208, 6355, 6560, 7760, 7936, 7954, 9920, 10168, 10496, 12028, 12416, 12710, 13120, 15035, 15520, 15908, 19840, 19885, 20336, 24056, 24832, 25420, 26240, 30070, 31040, 31816, 39680, 39770, 40672, 48112, 50840, 52480, 60140, 62080, 63632, 79540, 81344, 96224, 101680, 120280, 123287, 124160, 127264, 159080, 162688, 192448, 203360, 240560, 246574, 254528, 318160, 325376, 384896, 406720, 481120, 493148, 509056, 616435, 636320, 769792, 813440, 962240, 986296, 1018112, 1232870, 1272640, 1626880, 1924480, 1972592, 2465740, 2545280, 3848960, 3945184, 4931480, 5090560, 7890368, 9862960, 15780736, 19725920, 31561472, 39451840, 78903680, 157807360]

約数ペア:

[(1, 157807360), (2, 78903680), (4, 39451840), (5, 31561472), (8, 19725920), (10, 15780736), (16, 9862960), (20, 7890368), (31, 5090560), (32, 4931480), (40, 3945184), (41, 3848960), (62, 2545280), (64, 2465740), (80, 1972592), (82, 1924480), (97, 1626880), (124, 1272640), (128, 1232870), (155, 1018112), (160, 986296), (164, 962240), (194, 813440), (205, 769792), (248, 636320), (256, 616435), (310, 509056), (320, 493148), (328, 481120), (388, 406720), (410, 384896), (485, 325376), (496, 318160), (620, 254528), (640, 246574), (656, 240560), (776, 203360), (820, 192448), (970, 162688), (992, 159080), (1240, 127264), (1271, 124160), (1280, 123287), (1312, 120280), (1552, 101680), (1640, 96224), (1940, 81344), (1984, 79540), (2480, 63632), (2542, 62080), (2624, 60140), (3007, 52480), (3104, 50840), (3280, 48112), (3880, 40672), (3968, 39770), (3977, 39680), (4960, 31816), (5084, 31040), (5248, 30070), (6014, 26240), (6208, 25420), (6355, 24832), (6560, 24056), (7760, 20336), (7936, 19885), (7954, 19840), (9920, 15908), (10168, 15520), (10496, 15035), (12028, 13120), (12416, 12710)]