78490140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2283

約数の個数: 96

約数和(自身を含む): 238909440

約数和(自身を除く): 160419300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 372, 380, 465, 570, 589, 620, 930, 1140, 1178, 1767, 1860, 2221, 2356, 2945, 3534, 4442, 5890, 6663, 7068, 8835, 8884, 11105, 11780, 13326, 17670, 22210, 26652, 33315, 35340, 42199, 44420, 66630, 68851, 84398, 126597, 133260, 137702, 168796, 206553, 210995, 253194, 275404, 344255, 413106, 421990, 506388, 632985, 688510, 826212, 843980, 1032765, 1265970, 1308169, 1377020, 2065530, 2531940, 2616338, 3924507, 4131060, 5232676, 6540845, 7849014, 13081690, 15698028, 19622535, 26163380, 39245070, 78490140]

約数ペア:

[(1, 78490140), (2, 39245070), (3, 26163380), (4, 19622535), (5, 15698028), (6, 13081690), (10, 7849014), (12, 6540845), (15, 5232676), (19, 4131060), (20, 3924507), (30, 2616338), (31, 2531940), (38, 2065530), (57, 1377020), (60, 1308169), (62, 1265970), (76, 1032765), (93, 843980), (95, 826212), (114, 688510), (124, 632985), (155, 506388), (186, 421990), (190, 413106), (228, 344255), (285, 275404), (310, 253194), (372, 210995), (380, 206553), (465, 168796), (570, 137702), (589, 133260), (620, 126597), (930, 84398), (1140, 68851), (1178, 66630), (1767, 44420), (1860, 42199), (2221, 35340), (2356, 33315), (2945, 26652), (3534, 22210), (4442, 17670), (5890, 13326), (6663, 11780), (7068, 11105), (8835, 8884)]