180698280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:496

約数の個数: 192

約数和(自身を含む): 640224000

約数和(自身を除く): 459525720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 79, 84, 98, 105, 120, 140, 147, 158, 168, 196, 210, 237, 245, 280, 294, 316, 389, 392, 395, 420, 474, 490, 553, 588, 632, 735, 778, 790, 840, 948, 980, 1106, 1167, 1176, 1185, 1470, 1556, 1580, 1659, 1896, 1945, 1960, 2212, 2334, 2370, 2723, 2765, 2940, 3112, 3160, 3318, 3871, 3890, 4424, 4668, 4740, 5446, 5530, 5835, 5880, 6636, 7742, 7780, 8169, 8295, 9336, 9480, 10892, 11060, 11613, 11670, 13272, 13615, 15484, 15560, 16338, 16590, 19061, 19355, 21784, 22120, 23226, 23340, 27230, 30731, 30968, 32676, 33180, 38122, 38710, 40845, 46452, 46680, 54460, 57183, 58065, 61462, 65352, 66360, 76244, 77420, 81690, 92193, 92904, 95305, 108920, 114366, 116130, 122924, 152488, 153655, 154840, 163380, 184386, 190610, 215117, 228732, 232260, 245848, 285915, 307310, 326760, 368772, 381220, 430234, 457464, 460965, 464520, 571830, 614620, 645351, 737544, 762440, 860468, 921930, 1075585, 1143660, 1229240, 1290702, 1505819, 1720936, 1843860, 2151170, 2287320, 2581404, 3011638, 3226755, 3687720, 4302340, 4517457, 5162808, 6023276, 6453510, 7529095, 8604680, 9034914, 12046552, 12907020, 15058190, 18069828, 22587285, 25814040, 30116380, 36139656, 45174570, 60232760, 90349140, 180698280]

約数ペア:

[(1, 180698280), (2, 90349140), (3, 60232760), (4, 45174570), (5, 36139656), (6, 30116380), (7, 25814040), (8, 22587285), (10, 18069828), (12, 15058190), (14, 12907020), (15, 12046552), (20, 9034914), (21, 8604680), (24, 7529095), (28, 6453510), (30, 6023276), (35, 5162808), (40, 4517457), (42, 4302340), (49, 3687720), (56, 3226755), (60, 3011638), (70, 2581404), (79, 2287320), (84, 2151170), (98, 1843860), (105, 1720936), (120, 1505819), (140, 1290702), (147, 1229240), (158, 1143660), (168, 1075585), (196, 921930), (210, 860468), (237, 762440), (245, 737544), (280, 645351), (294, 614620), (316, 571830), (389, 464520), (392, 460965), (395, 457464), (420, 430234), (474, 381220), (490, 368772), (553, 326760), (588, 307310), (632, 285915), (735, 245848), (778, 232260), (790, 228732), (840, 215117), (948, 190610), (980, 184386), (1106, 163380), (1167, 154840), (1176, 153655), (1185, 152488), (1470, 122924), (1556, 116130), (1580, 114366), (1659, 108920), (1896, 95305), (1945, 92904), (1960, 92193), (2212, 81690), (2334, 77420), (2370, 76244), (2723, 66360), (2765, 65352), (2940, 61462), (3112, 58065), (3160, 57183), (3318, 54460), (3871, 46680), (3890, 46452), (4424, 40845), (4668, 38710), (4740, 38122), (5446, 33180), (5530, 32676), (5835, 30968), (5880, 30731), (6636, 27230), (7742, 23340), (7780, 23226), (8169, 22120), (8295, 21784), (9336, 19355), (9480, 19061), (10892, 16590), (11060, 16338), (11613, 15560), (11670, 15484), (13272, 13615)]