2156624820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{2477}}^1$

素因数の和:3190

約数の個数: 144

約数和(自身を含む): 7490141568

約数和(自身を除く): 5333516748

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 691, 1260, 1382, 2073, 2477, 2764, 3455, 4146, 4837, 4954, 6219, 6910, 7431, 8292, 9674, 9908, 10365, 12385, 12438, 13820, 14511, 14862, 17339, 19348, 20730, 22293, 24185, 24770, 24876, 29022, 29724, 31095, 34678, 37155, 41460, 43533, 44586, 48370, 49540, 52017, 58044, 62190, 69356, 72555, 74310, 86695, 87066, 89172, 96740, 104034, 111465, 124380, 145110, 148620, 156051, 173390, 174132, 208068, 217665, 222930, 260085, 290220, 312102, 346780, 435330, 445860, 520170, 624204, 780255, 870660, 1040340, 1560510, 1711607, 3121020, 3423214, 5134821, 6846428, 8558035, 10269642, 11981249, 15404463, 17116070, 20539284, 23962498, 25674105, 30808926, 34232140, 35943747, 47924996, 51348210, 59906245, 61617852, 71887494, 77022315, 102696420, 107831241, 119812490, 143774988, 154044630, 179718735, 215662482, 239624980, 308089260, 359437470, 431324964, 539156205, 718874940, 1078312410, 2156624820]

約数ペア:

[(1, 2156624820), (2, 1078312410), (3, 718874940), (4, 539156205), (5, 431324964), (6, 359437470), (7, 308089260), (9, 239624980), (10, 215662482), (12, 179718735), (14, 154044630), (15, 143774988), (18, 119812490), (20, 107831241), (21, 102696420), (28, 77022315), (30, 71887494), (35, 61617852), (36, 59906245), (42, 51348210), (45, 47924996), (60, 35943747), (63, 34232140), (70, 30808926), (84, 25674105), (90, 23962498), (105, 20539284), (126, 17116070), (140, 15404463), (180, 11981249), (210, 10269642), (252, 8558035), (315, 6846428), (420, 5134821), (630, 3423214), (691, 3121020), (1260, 1711607), (1382, 1560510), (2073, 1040340), (2477, 870660), (2764, 780255), (3455, 624204), (4146, 520170), (4837, 445860), (4954, 435330), (6219, 346780), (6910, 312102), (7431, 290220), (8292, 260085), (9674, 222930), (9908, 217665), (10365, 208068), (12385, 174132), (12438, 173390), (13820, 156051), (14511, 148620), (14862, 145110), (17339, 124380), (19348, 111465), (20730, 104034), (22293, 96740), (24185, 89172), (24770, 87066), (24876, 86695), (29022, 74310), (29724, 72555), (31095, 69356), (34678, 62190), (37155, 58044), (41460, 52017), (43533, 49540), (44586, 48370)]