321734280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{631}}^1$

素因数の和:1259

約数の個数: 128

約数和(自身を含む): 1106657280

約数和(自身を除く): 784923000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 607, 631, 840, 1214, 1262, 1821, 1893, 2428, 2524, 3035, 3155, 3642, 3786, 4249, 4417, 4856, 5048, 6070, 6310, 7284, 7572, 8498, 8834, 9105, 9465, 12140, 12620, 12747, 13251, 14568, 15144, 16996, 17668, 18210, 18930, 21245, 22085, 24280, 25240, 25494, 26502, 33992, 35336, 36420, 37860, 42490, 44170, 50988, 53004, 63735, 66255, 72840, 75720, 84980, 88340, 101976, 106008, 127470, 132510, 169960, 176680, 254940, 265020, 383017, 509880, 530040, 766034, 1149051, 1532068, 1915085, 2298102, 2681119, 3064136, 3830170, 4596204, 5362238, 5745255, 7660340, 8043357, 9192408, 10724476, 11490510, 13405595, 15320680, 16086714, 21448952, 22981020, 26811190, 32173428, 40216785, 45962040, 53622380, 64346856, 80433570, 107244760, 160867140, 321734280]

約数ペア:

[(1, 321734280), (2, 160867140), (3, 107244760), (4, 80433570), (5, 64346856), (6, 53622380), (7, 45962040), (8, 40216785), (10, 32173428), (12, 26811190), (14, 22981020), (15, 21448952), (20, 16086714), (21, 15320680), (24, 13405595), (28, 11490510), (30, 10724476), (35, 9192408), (40, 8043357), (42, 7660340), (56, 5745255), (60, 5362238), (70, 4596204), (84, 3830170), (105, 3064136), (120, 2681119), (140, 2298102), (168, 1915085), (210, 1532068), (280, 1149051), (420, 766034), (607, 530040), (631, 509880), (840, 383017), (1214, 265020), (1262, 254940), (1821, 176680), (1893, 169960), (2428, 132510), (2524, 127470), (3035, 106008), (3155, 101976), (3642, 88340), (3786, 84980), (4249, 75720), (4417, 72840), (4856, 66255), (5048, 63735), (6070, 53004), (6310, 50988), (7284, 44170), (7572, 42490), (8498, 37860), (8834, 36420), (9105, 35336), (9465, 33992), (12140, 26502), (12620, 25494), (12747, 25240), (13251, 24280), (14568, 22085), (15144, 21245), (16996, 18930), (17668, 18210)]