78705240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{941}}^1$

素因数の和:1013

約数の個数: 128

約数和(自身を含む): 256374720

約数和(自身を除く): 177669480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 41, 51, 60, 68, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 246, 255, 328, 340, 408, 410, 492, 510, 615, 680, 697, 820, 941, 984, 1020, 1230, 1394, 1640, 1882, 2040, 2091, 2460, 2788, 2823, 3485, 3764, 4182, 4705, 4920, 5576, 5646, 6970, 7528, 8364, 9410, 10455, 11292, 13940, 14115, 15997, 16728, 18820, 20910, 22584, 27880, 28230, 31994, 37640, 38581, 41820, 47991, 56460, 63988, 77162, 79985, 83640, 95982, 112920, 115743, 127976, 154324, 159970, 191964, 192905, 231486, 239955, 308648, 319940, 383928, 385810, 462972, 479910, 578715, 639880, 655877, 771620, 925944, 959820, 1157430, 1311754, 1543240, 1919640, 1967631, 2314860, 2623508, 3279385, 3935262, 4629720, 5247016, 6558770, 7870524, 9838155, 13117540, 15741048, 19676310, 26235080, 39352620, 78705240]

約数ペア:

[(1, 78705240), (2, 39352620), (3, 26235080), (4, 19676310), (5, 15741048), (6, 13117540), (8, 9838155), (10, 7870524), (12, 6558770), (15, 5247016), (17, 4629720), (20, 3935262), (24, 3279385), (30, 2623508), (34, 2314860), (40, 1967631), (41, 1919640), (51, 1543240), (60, 1311754), (68, 1157430), (82, 959820), (85, 925944), (102, 771620), (120, 655877), (123, 639880), (136, 578715), (164, 479910), (170, 462972), (204, 385810), (205, 383928), (246, 319940), (255, 308648), (328, 239955), (340, 231486), (408, 192905), (410, 191964), (492, 159970), (510, 154324), (615, 127976), (680, 115743), (697, 112920), (820, 95982), (941, 83640), (984, 79985), (1020, 77162), (1230, 63988), (1394, 56460), (1640, 47991), (1882, 41820), (2040, 38581), (2091, 37640), (2460, 31994), (2788, 28230), (2823, 27880), (3485, 22584), (3764, 20910), (4182, 18820), (4705, 16728), (4920, 15997), (5576, 14115), (5646, 13940), (6970, 11292), (7528, 10455), (8364, 9410)]