285217320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2083

約数の個数: 128

約数和(自身を含む): 907200000

約数和(自身を除く): 621982680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 41, 58, 60, 82, 87, 116, 120, 123, 145, 164, 174, 205, 232, 246, 290, 328, 348, 410, 435, 492, 580, 615, 696, 820, 870, 984, 1160, 1189, 1230, 1640, 1740, 1999, 2378, 2460, 3480, 3567, 3998, 4756, 4920, 5945, 5997, 7134, 7996, 9512, 9995, 11890, 11994, 14268, 15992, 17835, 19990, 23780, 23988, 28536, 29985, 35670, 39980, 47560, 47976, 57971, 59970, 71340, 79960, 81959, 115942, 119940, 142680, 163918, 173913, 231884, 239880, 245877, 289855, 327836, 347826, 409795, 463768, 491754, 579710, 655672, 695652, 819590, 869565, 983508, 1159420, 1229385, 1391304, 1639180, 1739130, 1967016, 2318840, 2376811, 2458770, 3278360, 3478260, 4753622, 4917540, 6956520, 7130433, 9507244, 9835080, 11884055, 14260866, 19014488, 23768110, 28521732, 35652165, 47536220, 57043464, 71304330, 95072440, 142608660, 285217320]

約数ペア:

[(1, 285217320), (2, 142608660), (3, 95072440), (4, 71304330), (5, 57043464), (6, 47536220), (8, 35652165), (10, 28521732), (12, 23768110), (15, 19014488), (20, 14260866), (24, 11884055), (29, 9835080), (30, 9507244), (40, 7130433), (41, 6956520), (58, 4917540), (60, 4753622), (82, 3478260), (87, 3278360), (116, 2458770), (120, 2376811), (123, 2318840), (145, 1967016), (164, 1739130), (174, 1639180), (205, 1391304), (232, 1229385), (246, 1159420), (290, 983508), (328, 869565), (348, 819590), (410, 695652), (435, 655672), (492, 579710), (580, 491754), (615, 463768), (696, 409795), (820, 347826), (870, 327836), (984, 289855), (1160, 245877), (1189, 239880), (1230, 231884), (1640, 173913), (1740, 163918), (1999, 142680), (2378, 119940), (2460, 115942), (3480, 81959), (3567, 79960), (3998, 71340), (4756, 59970), (4920, 57971), (5945, 47976), (5997, 47560), (7134, 39980), (7996, 35670), (9512, 29985), (9995, 28536), (11890, 23988), (11994, 23780), (14268, 19990), (15992, 17835)]