280893720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7247}}^1$

素因数の和:7297

約数の個数: 128

約数和(自身を含む): 939340800

約数和(自身を除く): 658447080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4845, 6460, 7247, 7752, 9690, 12920, 14494, 19380, 21741, 28988, 36235, 38760, 43482, 57976, 72470, 86964, 108705, 123199, 137693, 144940, 173928, 217410, 246398, 275386, 289880, 369597, 413079, 434820, 492796, 550772, 615995, 688465, 739194, 826158, 869640, 985592, 1101544, 1231990, 1376930, 1478388, 1652316, 1847985, 2065395, 2340781, 2463980, 2753860, 2956776, 3304632, 3695970, 4130790, 4681562, 4927960, 5507720, 7022343, 7391940, 8261580, 9363124, 11703905, 14044686, 14783880, 16523160, 18726248, 23407810, 28089372, 35111715, 46815620, 56178744, 70223430, 93631240, 140446860, 280893720]

約数ペア:

[(1, 280893720), (2, 140446860), (3, 93631240), (4, 70223430), (5, 56178744), (6, 46815620), (8, 35111715), (10, 28089372), (12, 23407810), (15, 18726248), (17, 16523160), (19, 14783880), (20, 14044686), (24, 11703905), (30, 9363124), (34, 8261580), (38, 7391940), (40, 7022343), (51, 5507720), (57, 4927960), (60, 4681562), (68, 4130790), (76, 3695970), (85, 3304632), (95, 2956776), (102, 2753860), (114, 2463980), (120, 2340781), (136, 2065395), (152, 1847985), (170, 1652316), (190, 1478388), (204, 1376930), (228, 1231990), (255, 1101544), (285, 985592), (323, 869640), (340, 826158), (380, 739194), (408, 688465), (456, 615995), (510, 550772), (570, 492796), (646, 434820), (680, 413079), (760, 369597), (969, 289880), (1020, 275386), (1140, 246398), (1292, 217410), (1615, 173928), (1938, 144940), (2040, 137693), (2280, 123199), (2584, 108705), (3230, 86964), (3876, 72470), (4845, 57976), (6460, 43482), (7247, 38760), (7752, 36235), (9690, 28988), (12920, 21741), (14494, 19380)]