1618383520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1399

約数の個数: 192

約数和(自身を含む): 4477455360

約数和(自身を除く): 2859071840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 160, 190, 208, 247, 248, 260, 304, 310, 380, 403, 416, 494, 496, 520, 589, 608, 620, 760, 806, 988, 992, 1040, 1178, 1235, 1240, 1321, 1520, 1612, 1976, 2015, 2080, 2356, 2470, 2480, 2642, 2945, 3040, 3224, 3952, 4030, 4712, 4940, 4960, 5284, 5890, 6448, 6605, 7657, 7904, 8060, 9424, 9880, 10568, 11780, 12896, 13210, 15314, 16120, 17173, 18848, 19760, 21136, 23560, 25099, 26420, 30628, 32240, 34346, 38285, 39520, 40951, 42272, 47120, 50198, 52840, 61256, 64480, 68692, 76570, 81902, 85865, 94240, 100396, 105680, 122512, 125495, 137384, 153140, 163804, 171730, 200792, 204755, 211360, 245024, 250990, 274768, 306280, 326287, 327608, 343460, 401584, 409510, 501980, 532363, 549536, 612560, 652574, 655216, 686920, 778069, 803168, 819020, 1003960, 1064726, 1225120, 1305148, 1310432, 1373840, 1556138, 1631435, 1638040, 2007920, 2129452, 2610296, 2661815, 2747680, 3112276, 3262870, 3276080, 3890345, 4015840, 4258904, 5220592, 5323630, 6224552, 6525740, 6552160, 7780690, 8517808, 10114897, 10441184, 10647260, 12449104, 13051480, 15561380, 17035616, 20229794, 21294520, 24898208, 26102960, 31122760, 40459588, 42589040, 50574485, 52205920, 62245520, 80919176, 85178080, 101148970, 124491040, 161838352, 202297940, 323676704, 404595880, 809191760, 1618383520]

約数ペア:

[(1, 1618383520), (2, 809191760), (4, 404595880), (5, 323676704), (8, 202297940), (10, 161838352), (13, 124491040), (16, 101148970), (19, 85178080), (20, 80919176), (26, 62245520), (31, 52205920), (32, 50574485), (38, 42589040), (40, 40459588), (52, 31122760), (62, 26102960), (65, 24898208), (76, 21294520), (80, 20229794), (95, 17035616), (104, 15561380), (124, 13051480), (130, 12449104), (152, 10647260), (155, 10441184), (160, 10114897), (190, 8517808), (208, 7780690), (247, 6552160), (248, 6525740), (260, 6224552), (304, 5323630), (310, 5220592), (380, 4258904), (403, 4015840), (416, 3890345), (494, 3276080), (496, 3262870), (520, 3112276), (589, 2747680), (608, 2661815), (620, 2610296), (760, 2129452), (806, 2007920), (988, 1638040), (992, 1631435), (1040, 1556138), (1178, 1373840), (1235, 1310432), (1240, 1305148), (1321, 1225120), (1520, 1064726), (1612, 1003960), (1976, 819020), (2015, 803168), (2080, 778069), (2356, 686920), (2470, 655216), (2480, 652574), (2642, 612560), (2945, 549536), (3040, 532363), (3224, 501980), (3952, 409510), (4030, 401584), (4712, 343460), (4940, 327608), (4960, 326287), (5284, 306280), (5890, 274768), (6448, 250990), (6605, 245024), (7657, 211360), (7904, 204755), (8060, 200792), (9424, 171730), (9880, 163804), (10568, 153140), (11780, 137384), (12896, 125495), (13210, 122512), (15314, 105680), (16120, 100396), (17173, 94240), (18848, 85865), (19760, 81902), (21136, 76570), (23560, 68692), (25099, 64480), (26420, 61256), (30628, 52840), (32240, 50198), (34346, 47120), (38285, 42272), (39520, 40951)]