20280486960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{1657}}^1$

素因数の和:1956

約数の個数: 240

約数和(自身を含む): 69276280320

約数和(自身を除く): 48995793360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 120, 144, 178, 180, 191, 240, 267, 356, 360, 382, 445, 534, 573, 712, 720, 764, 801, 890, 955, 1068, 1146, 1335, 1424, 1528, 1602, 1657, 1719, 1780, 1910, 2136, 2292, 2670, 2865, 3056, 3204, 3314, 3438, 3560, 3820, 4005, 4272, 4584, 4971, 5340, 5730, 6408, 6628, 6876, 7120, 7640, 8010, 8285, 8595, 9168, 9942, 10680, 11460, 12816, 13256, 13752, 14913, 15280, 16020, 16570, 16999, 17190, 19884, 21360, 22920, 24855, 26512, 27504, 29826, 32040, 33140, 33998, 34380, 39768, 45840, 49710, 50997, 59652, 64080, 66280, 67996, 68760, 74565, 79536, 84995, 99420, 101994, 119304, 132560, 135992, 137520, 147473, 149130, 152991, 169990, 198840, 203988, 238608, 254985, 271984, 294946, 298260, 305982, 316487, 339980, 397680, 407976, 442419, 509970, 589892, 596520, 611964, 632974, 679960, 737365, 764955, 815952, 884838, 949461, 1019940, 1179784, 1193040, 1223928, 1265948, 1327257, 1359920, 1474730, 1529910, 1582435, 1769676, 1898922, 2039880, 2212095, 2359568, 2447856, 2531896, 2654514, 2848383, 2949460, 3059820, 3164870, 3539352, 3797844, 4079760, 4424190, 4747305, 5063792, 5309028, 5696766, 5898920, 6119640, 6329740, 6636285, 7078704, 7595688, 8848380, 9494610, 10618056, 11393532, 11797840, 12239280, 12659480, 13272570, 14241915, 15191376, 17696760, 18989220, 21236112, 22787064, 25318960, 26545140, 28167343, 28483830, 35393520, 37978440, 45574128, 53090280, 56334686, 56967660, 75956880, 84502029, 106180560, 112669372, 113935320, 140836715, 169004058, 225338744, 227870640, 253506087, 281673430, 338008116, 422510145, 450677488, 507012174, 563346860, 676016232, 845020290, 1014024348, 1126693720, 1267530435, 1352032464, 1690040580, 2028048696, 2253387440, 2535060870, 3380081160, 4056097392, 5070121740, 6760162320, 10140243480, 20280486960]

約数ペア:

[(1, 20280486960), (2, 10140243480), (3, 6760162320), (4, 5070121740), (5, 4056097392), (6, 3380081160), (8, 2535060870), (9, 2253387440), (10, 2028048696), (12, 1690040580), (15, 1352032464), (16, 1267530435), (18, 1126693720), (20, 1014024348), (24, 845020290), (30, 676016232), (36, 563346860), (40, 507012174), (45, 450677488), (48, 422510145), (60, 338008116), (72, 281673430), (80, 253506087), (89, 227870640), (90, 225338744), (120, 169004058), (144, 140836715), (178, 113935320), (180, 112669372), (191, 106180560), (240, 84502029), (267, 75956880), (356, 56967660), (360, 56334686), (382, 53090280), (445, 45574128), (534, 37978440), (573, 35393520), (712, 28483830), (720, 28167343), (764, 26545140), (801, 25318960), (890, 22787064), (955, 21236112), (1068, 18989220), (1146, 17696760), (1335, 15191376), (1424, 14241915), (1528, 13272570), (1602, 12659480), (1657, 12239280), (1719, 11797840), (1780, 11393532), (1910, 10618056), (2136, 9494610), (2292, 8848380), (2670, 7595688), (2865, 7078704), (3056, 6636285), (3204, 6329740), (3314, 6119640), (3438, 5898920), (3560, 5696766), (3820, 5309028), (4005, 5063792), (4272, 4747305), (4584, 4424190), (4971, 4079760), (5340, 3797844), (5730, 3539352), (6408, 3164870), (6628, 3059820), (6876, 2949460), (7120, 2848383), (7640, 2654514), (8010, 2531896), (8285, 2447856), (8595, 2359568), (9168, 2212095), (9942, 2039880), (10680, 1898922), (11460, 1769676), (12816, 1582435), (13256, 1529910), (13752, 1474730), (14913, 1359920), (15280, 1327257), (16020, 1265948), (16570, 1223928), (16999, 1193040), (17190, 1179784), (19884, 1019940), (21360, 949461), (22920, 884838), (24855, 815952), (26512, 764955), (27504, 737365), (29826, 679960), (32040, 632974), (33140, 611964), (33998, 596520), (34380, 589892), (39768, 509970), (45840, 442419), (49710, 407976), (50997, 397680), (59652, 339980), (64080, 316487), (66280, 305982), (67996, 298260), (68760, 294946), (74565, 271984), (79536, 254985), (84995, 238608), (99420, 203988), (101994, 198840), (119304, 169990), (132560, 152991), (135992, 149130), (137520, 147473)]