90349140

素因数分解:

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

素因数の和:494

約数の個数: 144

約数和(自身を含む): 298771200

約数和(自身を除く): 208422060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 79, 84, 98, 105, 140, 147, 158, 196, 210, 237, 245, 294, 316, 389, 395, 420, 474, 490, 553, 588, 735, 778, 790, 948, 980, 1106, 1167, 1185, 1470, 1556, 1580, 1659, 1945, 2212, 2334, 2370, 2723, 2765, 2940, 3318, 3871, 3890, 4668, 4740, 5446, 5530, 5835, 6636, 7742, 7780, 8169, 8295, 10892, 11060, 11613, 11670, 13615, 15484, 16338, 16590, 19061, 19355, 23226, 23340, 27230, 30731, 32676, 33180, 38122, 38710, 40845, 46452, 54460, 57183, 58065, 61462, 76244, 77420, 81690, 92193, 95305, 114366, 116130, 122924, 153655, 163380, 184386, 190610, 215117, 228732, 232260, 285915, 307310, 368772, 381220, 430234, 460965, 571830, 614620, 645351, 860468, 921930, 1075585, 1143660, 1290702, 1505819, 1843860, 2151170, 2581404, 3011638, 3226755, 4302340, 4517457, 6023276, 6453510, 7529095, 9034914, 12907020, 15058190, 18069828, 22587285, 30116380, 45174570, 90349140]

約数ペア:

[(1, 90349140), (2, 45174570), (3, 30116380), (4, 22587285), (5, 18069828), (6, 15058190), (7, 12907020), (10, 9034914), (12, 7529095), (14, 6453510), (15, 6023276), (20, 4517457), (21, 4302340), (28, 3226755), (30, 3011638), (35, 2581404), (42, 2151170), (49, 1843860), (60, 1505819), (70, 1290702), (79, 1143660), (84, 1075585), (98, 921930), (105, 860468), (140, 645351), (147, 614620), (158, 571830), (196, 460965), (210, 430234), (237, 381220), (245, 368772), (294, 307310), (316, 285915), (389, 232260), (395, 228732), (420, 215117), (474, 190610), (490, 184386), (553, 163380), (588, 153655), (735, 122924), (778, 116130), (790, 114366), (948, 95305), (980, 92193), (1106, 81690), (1167, 77420), (1185, 76244), (1470, 61462), (1556, 58065), (1580, 57183), (1659, 54460), (1945, 46452), (2212, 40845), (2334, 38710), (2370, 38122), (2723, 33180), (2765, 32676), (2940, 30731), (3318, 27230), (3871, 23340), (3890, 23226), (4668, 19355), (4740, 19061), (5446, 16590), (5530, 16338), (5835, 15484), (6636, 13615), (7742, 11670), (7780, 11613), (8169, 11060), (8295, 10892)]