28078440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 93139200

約数和(自身を除く): 65060760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 41, 52, 60, 65, 78, 82, 104, 120, 123, 130, 156, 164, 195, 205, 246, 260, 312, 328, 390, 410, 439, 492, 520, 533, 615, 780, 820, 878, 984, 1066, 1230, 1317, 1560, 1599, 1640, 1756, 2132, 2195, 2460, 2634, 2665, 3198, 3512, 4264, 4390, 4920, 5268, 5330, 5707, 6396, 6585, 7995, 8780, 10536, 10660, 11414, 12792, 13170, 15990, 17121, 17560, 17999, 21320, 22828, 26340, 28535, 31980, 34242, 35998, 45656, 52680, 53997, 57070, 63960, 68484, 71996, 85605, 89995, 107994, 114140, 136968, 143992, 171210, 179990, 215988, 228280, 233987, 269985, 342420, 359980, 431976, 467974, 539970, 684840, 701961, 719960, 935948, 1079940, 1169935, 1403922, 1871896, 2159880, 2339870, 2807844, 3509805, 4679740, 5615688, 7019610, 9359480, 14039220, 28078440]

約数ペア:

[(1, 28078440), (2, 14039220), (3, 9359480), (4, 7019610), (5, 5615688), (6, 4679740), (8, 3509805), (10, 2807844), (12, 2339870), (13, 2159880), (15, 1871896), (20, 1403922), (24, 1169935), (26, 1079940), (30, 935948), (39, 719960), (40, 701961), (41, 684840), (52, 539970), (60, 467974), (65, 431976), (78, 359980), (82, 342420), (104, 269985), (120, 233987), (123, 228280), (130, 215988), (156, 179990), (164, 171210), (195, 143992), (205, 136968), (246, 114140), (260, 107994), (312, 89995), (328, 85605), (390, 71996), (410, 68484), (439, 63960), (492, 57070), (520, 53997), (533, 52680), (615, 45656), (780, 35998), (820, 34242), (878, 31980), (984, 28535), (1066, 26340), (1230, 22828), (1317, 21320), (1560, 17999), (1599, 17560), (1640, 17121), (1756, 15990), (2132, 13170), (2195, 12792), (2460, 11414), (2634, 10660), (2665, 10536), (3198, 8780), (3512, 7995), (4264, 6585), (4390, 6396), (4920, 5707), (5268, 5330)]