145605760

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:270

約数の個数: 128

約数和(自身を含む): 370137600

約数和(自身を除く): 224531840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 179, 205, 248, 310, 320, 328, 358, 410, 496, 620, 640, 656, 716, 820, 895, 992, 1240, 1271, 1312, 1432, 1640, 1790, 1984, 2480, 2542, 2624, 2864, 3280, 3580, 3968, 4960, 5084, 5248, 5549, 5728, 6355, 6560, 7160, 7339, 9920, 10168, 11098, 11456, 12710, 13120, 14320, 14678, 19840, 20336, 22196, 22912, 25420, 26240, 27745, 28640, 29356, 36695, 40672, 44392, 50840, 55490, 57280, 58712, 73390, 81344, 88784, 101680, 110980, 114560, 117424, 146780, 162688, 177568, 203360, 221960, 227509, 234848, 293560, 355136, 406720, 443920, 455018, 469696, 587120, 710272, 813440, 887840, 910036, 939392, 1137545, 1174240, 1775680, 1820072, 2275090, 2348480, 3551360, 3640144, 4550180, 4696960, 7280288, 9100360, 14560576, 18200720, 29121152, 36401440, 72802880, 145605760]

約数ペア:

[(1, 145605760), (2, 72802880), (4, 36401440), (5, 29121152), (8, 18200720), (10, 14560576), (16, 9100360), (20, 7280288), (31, 4696960), (32, 4550180), (40, 3640144), (41, 3551360), (62, 2348480), (64, 2275090), (80, 1820072), (82, 1775680), (124, 1174240), (128, 1137545), (155, 939392), (160, 910036), (164, 887840), (179, 813440), (205, 710272), (248, 587120), (310, 469696), (320, 455018), (328, 443920), (358, 406720), (410, 355136), (496, 293560), (620, 234848), (640, 227509), (656, 221960), (716, 203360), (820, 177568), (895, 162688), (992, 146780), (1240, 117424), (1271, 114560), (1312, 110980), (1432, 101680), (1640, 88784), (1790, 81344), (1984, 73390), (2480, 58712), (2542, 57280), (2624, 55490), (2864, 50840), (3280, 44392), (3580, 40672), (3968, 36695), (4960, 29356), (5084, 28640), (5248, 27745), (5549, 26240), (5728, 25420), (6355, 22912), (6560, 22196), (7160, 20336), (7339, 19840), (9920, 14678), (10168, 14320), (11098, 13120), (11456, 12710)]