315614720

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 160

約数和(自身を含む): 808448256

約数和(自身を除く): 492833536

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, 512, 620, 640, 656, 776, 820, 970, 992, 1240, 1271, 1280, 1312, 1552, 1640, 1940, 1984, 2480, 2542, 2560, 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, 15872, 15908, 19840, 19885, 20336, 20992, 24056, 24832, 25420, 26240, 30070, 31040, 31816, 39680, 39770, 40672, 48112, 49664, 50840, 52480, 60140, 62080, 63632, 79360, 79540, 81344, 96224, 101680, 104960, 120280, 123287, 124160, 127264, 159080, 162688, 192448, 203360, 240560, 246574, 248320, 254528, 318160, 325376, 384896, 406720, 481120, 493148, 509056, 616435, 636320, 650752, 769792, 813440, 962240, 986296, 1018112, 1232870, 1272640, 1539584, 1626880, 1924480, 1972592, 2036224, 2465740, 2545280, 3253760, 3848960, 3945184, 4931480, 5090560, 7697920, 7890368, 9862960, 10181120, 15780736, 19725920, 31561472, 39451840, 63122944, 78903680, 157807360, 315614720]

約数ペア:

[(1, 315614720), (2, 157807360), (4, 78903680), (5, 63122944), (8, 39451840), (10, 31561472), (16, 19725920), (20, 15780736), (31, 10181120), (32, 9862960), (40, 7890368), (41, 7697920), (62, 5090560), (64, 4931480), (80, 3945184), (82, 3848960), (97, 3253760), (124, 2545280), (128, 2465740), (155, 2036224), (160, 1972592), (164, 1924480), (194, 1626880), (205, 1539584), (248, 1272640), (256, 1232870), (310, 1018112), (320, 986296), (328, 962240), (388, 813440), (410, 769792), (485, 650752), (496, 636320), (512, 616435), (620, 509056), (640, 493148), (656, 481120), (776, 406720), (820, 384896), (970, 325376), (992, 318160), (1240, 254528), (1271, 248320), (1280, 246574), (1312, 240560), (1552, 203360), (1640, 192448), (1940, 162688), (1984, 159080), (2480, 127264), (2542, 124160), (2560, 123287), (2624, 120280), (3007, 104960), (3104, 101680), (3280, 96224), (3880, 81344), (3968, 79540), (3977, 79360), (4960, 63632), (5084, 62080), (5248, 60140), (6014, 52480), (6208, 50840), (6355, 49664), (6560, 48112), (7760, 40672), (7936, 39770), (7954, 39680), (9920, 31816), (10168, 31040), (10496, 30070), (12028, 26240), (12416, 25420), (12710, 24832), (13120, 24056), (15035, 20992), (15520, 20336), (15872, 19885), (15908, 19840)]