21618480

素因数分解:

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

素因数の和:96

約数の個数: 160

約数和(自身を含む): 74370240

約数和(自身を除く): 52751760

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, 169, 195, 205, 208, 240, 246, 260, 312, 328, 338, 390, 410, 492, 507, 520, 533, 615, 624, 656, 676, 780, 820, 845, 984, 1014, 1040, 1066, 1230, 1352, 1560, 1599, 1640, 1690, 1968, 2028, 2132, 2197, 2460, 2535, 2665, 2704, 3120, 3198, 3280, 3380, 4056, 4264, 4394, 4920, 5070, 5330, 6396, 6591, 6760, 6929, 7995, 8112, 8528, 8788, 9840, 10140, 10660, 10985, 12792, 13182, 13520, 13858, 15990, 17576, 20280, 20787, 21320, 21970, 25584, 26364, 27716, 31980, 32955, 34645, 35152, 40560, 41574, 42640, 43940, 52728, 55432, 63960, 65910, 69290, 83148, 87880, 90077, 103935, 105456, 110864, 127920, 131820, 138580, 166296, 175760, 180154, 207870, 263640, 270231, 277160, 332592, 360308, 415740, 450385, 527280, 540462, 554320, 720616, 831480, 900770, 1080924, 1351155, 1441232, 1662960, 1801540, 2161848, 2702310, 3603080, 4323696, 5404620, 7206160, 10809240, 21618480]

約数ペア:

[(1, 21618480), (2, 10809240), (3, 7206160), (4, 5404620), (5, 4323696), (6, 3603080), (8, 2702310), (10, 2161848), (12, 1801540), (13, 1662960), (15, 1441232), (16, 1351155), (20, 1080924), (24, 900770), (26, 831480), (30, 720616), (39, 554320), (40, 540462), (41, 527280), (48, 450385), (52, 415740), (60, 360308), (65, 332592), (78, 277160), (80, 270231), (82, 263640), (104, 207870), (120, 180154), (123, 175760), (130, 166296), (156, 138580), (164, 131820), (169, 127920), (195, 110864), (205, 105456), (208, 103935), (240, 90077), (246, 87880), (260, 83148), (312, 69290), (328, 65910), (338, 63960), (390, 55432), (410, 52728), (492, 43940), (507, 42640), (520, 41574), (533, 40560), (615, 35152), (624, 34645), (656, 32955), (676, 31980), (780, 27716), (820, 26364), (845, 25584), (984, 21970), (1014, 21320), (1040, 20787), (1066, 20280), (1230, 17576), (1352, 15990), (1560, 13858), (1599, 13520), (1640, 13182), (1690, 12792), (1968, 10985), (2028, 10660), (2132, 10140), (2197, 9840), (2460, 8788), (2535, 8528), (2665, 8112), (2704, 7995), (3120, 6929), (3198, 6760), (3280, 6591), (3380, 6396), (4056, 5330), (4264, 5070), (4394, 4920)]