255456240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2067

約数の個数: 160

約数和(自身を含む): 874069056

約数和(自身を除く): 618612816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 41, 48, 52, 60, 65, 78, 80, 82, 104, 120, 123, 130, 156, 164, 195, 205, 208, 240, 246, 260, 312, 328, 390, 410, 492, 520, 533, 615, 624, 656, 780, 820, 984, 1040, 1066, 1230, 1560, 1599, 1640, 1968, 1997, 2132, 2460, 2665, 3120, 3198, 3280, 3994, 4264, 4920, 5330, 5991, 6396, 7988, 7995, 8528, 9840, 9985, 10660, 11982, 12792, 15976, 15990, 19970, 21320, 23964, 25584, 25961, 29955, 31952, 31980, 39940, 42640, 47928, 51922, 59910, 63960, 77883, 79880, 81877, 95856, 103844, 119820, 127920, 129805, 155766, 159760, 163754, 207688, 239640, 245631, 259610, 311532, 327508, 389415, 409385, 415376, 479280, 491262, 519220, 623064, 655016, 778830, 818770, 982524, 1038440, 1064401, 1228155, 1246128, 1310032, 1557660, 1637540, 1965048, 2076880, 2128802, 2456310, 3115320, 3193203, 3275080, 3930096, 4257604, 4912620, 5322005, 6230640, 6386406, 6550160, 8515208, 9825240, 10644010, 12772812, 15966015, 17030416, 19650480, 21288020, 25545624, 31932030, 42576040, 51091248, 63864060, 85152080, 127728120, 255456240]

約数ペア:

[(1, 255456240), (2, 127728120), (3, 85152080), (4, 63864060), (5, 51091248), (6, 42576040), (8, 31932030), (10, 25545624), (12, 21288020), (13, 19650480), (15, 17030416), (16, 15966015), (20, 12772812), (24, 10644010), (26, 9825240), (30, 8515208), (39, 6550160), (40, 6386406), (41, 6230640), (48, 5322005), (52, 4912620), (60, 4257604), (65, 3930096), (78, 3275080), (80, 3193203), (82, 3115320), (104, 2456310), (120, 2128802), (123, 2076880), (130, 1965048), (156, 1637540), (164, 1557660), (195, 1310032), (205, 1246128), (208, 1228155), (240, 1064401), (246, 1038440), (260, 982524), (312, 818770), (328, 778830), (390, 655016), (410, 623064), (492, 519220), (520, 491262), (533, 479280), (615, 415376), (624, 409385), (656, 389415), (780, 327508), (820, 311532), (984, 259610), (1040, 245631), (1066, 239640), (1230, 207688), (1560, 163754), (1599, 159760), (1640, 155766), (1968, 129805), (1997, 127920), (2132, 119820), (2460, 103844), (2665, 95856), (3120, 81877), (3198, 79880), (3280, 77883), (3994, 63960), (4264, 59910), (4920, 51922), (5330, 47928), (5991, 42640), (6396, 39940), (7988, 31980), (7995, 31952), (8528, 29955), (9840, 25961), (9985, 25584), (10660, 23964), (11982, 21320), (12792, 19970), (15976, 15990)]