25321680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:658

約数の個数: 160

約数和(自身を含む): 91958400

約数和(自身を除く): 66636720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 617, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1234, 1368, 1520, 1710, 1851, 2052, 2160, 2280, 2468, 2565, 2736, 3085, 3420, 3702, 4104, 4560, 4936, 5130, 5553, 6170, 6840, 7404, 8208, 9255, 9872, 10260, 11106, 11723, 12340, 13680, 14808, 16659, 18510, 20520, 22212, 23446, 24680, 27765, 29616, 33318, 35169, 37020, 41040, 44424, 46892, 49360, 55530, 58615, 66636, 70338, 74040, 83295, 88848, 93784, 105507, 111060, 117230, 133272, 140676, 148080, 166590, 175845, 187568, 211014, 222120, 234460, 266544, 281352, 316521, 333180, 351690, 422028, 444240, 468920, 527535, 562704, 633042, 666360, 703380, 844056, 937840, 1055070, 1266084, 1332720, 1406760, 1582605, 1688112, 2110140, 2532168, 2813520, 3165210, 4220280, 5064336, 6330420, 8440560, 12660840, 25321680]

約数ペア:

[(1, 25321680), (2, 12660840), (3, 8440560), (4, 6330420), (5, 5064336), (6, 4220280), (8, 3165210), (9, 2813520), (10, 2532168), (12, 2110140), (15, 1688112), (16, 1582605), (18, 1406760), (19, 1332720), (20, 1266084), (24, 1055070), (27, 937840), (30, 844056), (36, 703380), (38, 666360), (40, 633042), (45, 562704), (48, 527535), (54, 468920), (57, 444240), (60, 422028), (72, 351690), (76, 333180), (80, 316521), (90, 281352), (95, 266544), (108, 234460), (114, 222120), (120, 211014), (135, 187568), (144, 175845), (152, 166590), (171, 148080), (180, 140676), (190, 133272), (216, 117230), (228, 111060), (240, 105507), (270, 93784), (285, 88848), (304, 83295), (342, 74040), (360, 70338), (380, 66636), (432, 58615), (456, 55530), (513, 49360), (540, 46892), (570, 44424), (617, 41040), (684, 37020), (720, 35169), (760, 33318), (855, 29616), (912, 27765), (1026, 24680), (1080, 23446), (1140, 22212), (1234, 20520), (1368, 18510), (1520, 16659), (1710, 14808), (1851, 13680), (2052, 12340), (2160, 11723), (2280, 11106), (2468, 10260), (2565, 9872), (2736, 9255), (3085, 8208), (3420, 7404), (3702, 6840), (4104, 6170), (4560, 5553), (4936, 5130)]