621468160

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 160

約数和(自身を含む): 1583898624

約数和(自身を除く): 962430464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 191, 205, 248, 256, 310, 320, 328, 382, 410, 496, 512, 620, 640, 656, 764, 820, 955, 992, 1240, 1271, 1280, 1312, 1528, 1640, 1910, 1984, 2480, 2542, 2560, 2624, 3056, 3280, 3820, 3968, 4960, 5084, 5248, 5921, 6112, 6355, 6560, 7640, 7831, 7936, 9920, 10168, 10496, 11842, 12224, 12710, 13120, 15280, 15662, 15872, 19840, 20336, 20992, 23684, 24448, 25420, 26240, 29605, 30560, 31324, 39155, 39680, 40672, 47368, 48896, 50840, 52480, 59210, 61120, 62648, 78310, 79360, 81344, 94736, 97792, 101680, 104960, 118420, 122240, 125296, 156620, 162688, 189472, 203360, 236840, 242761, 244480, 250592, 313240, 325376, 378944, 406720, 473680, 485522, 488960, 501184, 626480, 650752, 757888, 813440, 947360, 971044, 1002368, 1213805, 1252960, 1515776, 1626880, 1894720, 1942088, 2004736, 2427610, 2505920, 3031552, 3253760, 3789440, 3884176, 4009472, 4855220, 5011840, 7578880, 7768352, 9710440, 10023680, 15157760, 15536704, 19420880, 20047360, 31073408, 38841760, 62146816, 77683520, 124293632, 155367040, 310734080, 621468160]

約数ペア:

[(1, 621468160), (2, 310734080), (4, 155367040), (5, 124293632), (8, 77683520), (10, 62146816), (16, 38841760), (20, 31073408), (31, 20047360), (32, 19420880), (40, 15536704), (41, 15157760), (62, 10023680), (64, 9710440), (80, 7768352), (82, 7578880), (124, 5011840), (128, 4855220), (155, 4009472), (160, 3884176), (164, 3789440), (191, 3253760), (205, 3031552), (248, 2505920), (256, 2427610), (310, 2004736), (320, 1942088), (328, 1894720), (382, 1626880), (410, 1515776), (496, 1252960), (512, 1213805), (620, 1002368), (640, 971044), (656, 947360), (764, 813440), (820, 757888), (955, 650752), (992, 626480), (1240, 501184), (1271, 488960), (1280, 485522), (1312, 473680), (1528, 406720), (1640, 378944), (1910, 325376), (1984, 313240), (2480, 250592), (2542, 244480), (2560, 242761), (2624, 236840), (3056, 203360), (3280, 189472), (3820, 162688), (3968, 156620), (4960, 125296), (5084, 122240), (5248, 118420), (5921, 104960), (6112, 101680), (6355, 97792), (6560, 94736), (7640, 81344), (7831, 79360), (7936, 78310), (9920, 62648), (10168, 61120), (10496, 59210), (11842, 52480), (12224, 50840), (12710, 48896), (13120, 47368), (15280, 40672), (15662, 39680), (15872, 39155), (19840, 31324), (20336, 30560), (20992, 29605), (23684, 26240), (24448, 25420)]