28242240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:137

約数の個数: 224

約数和(自身を含む): 101047296

約数和(自身を除く): 72805056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 73, 78, 80, 93, 96, 104, 120, 124, 130, 146, 155, 156, 160, 186, 192, 195, 208, 219, 240, 248, 260, 292, 310, 312, 320, 365, 372, 390, 403, 416, 438, 465, 480, 496, 520, 584, 620, 624, 730, 744, 780, 806, 832, 876, 930, 949, 960, 992, 1040, 1095, 1168, 1209, 1240, 1248, 1460, 1488, 1560, 1612, 1752, 1860, 1898, 1984, 2015, 2080, 2190, 2263, 2336, 2418, 2480, 2496, 2847, 2920, 2976, 3120, 3224, 3504, 3720, 3796, 4030, 4160, 4380, 4526, 4672, 4745, 4836, 4960, 5694, 5840, 5952, 6045, 6240, 6448, 6789, 7008, 7440, 7592, 8060, 8760, 9052, 9490, 9672, 9920, 11315, 11388, 11680, 12090, 12480, 12896, 13578, 14016, 14235, 14880, 15184, 16120, 17520, 18104, 18980, 19344, 22630, 22776, 23360, 24180, 25792, 27156, 28470, 29419, 29760, 30368, 32240, 33945, 35040, 36208, 37960, 38688, 45260, 45552, 48360, 54312, 56940, 58838, 60736, 64480, 67890, 70080, 72416, 75920, 77376, 88257, 90520, 91104, 96720, 108624, 113880, 117676, 128960, 135780, 144832, 147095, 151840, 176514, 181040, 182208, 193440, 217248, 227760, 235352, 271560, 294190, 303680, 353028, 362080, 386880, 434496, 441285, 455520, 470704, 543120, 588380, 706056, 724160, 882570, 911040, 941408, 1086240, 1176760, 1412112, 1765140, 1882816, 2172480, 2353520, 2824224, 3530280, 4707040, 5648448, 7060560, 9414080, 14121120, 28242240]

約数ペア:

[(1, 28242240), (2, 14121120), (3, 9414080), (4, 7060560), (5, 5648448), (6, 4707040), (8, 3530280), (10, 2824224), (12, 2353520), (13, 2172480), (15, 1882816), (16, 1765140), (20, 1412112), (24, 1176760), (26, 1086240), (30, 941408), (31, 911040), (32, 882570), (39, 724160), (40, 706056), (48, 588380), (52, 543120), (60, 470704), (62, 455520), (64, 441285), (65, 434496), (73, 386880), (78, 362080), (80, 353028), (93, 303680), (96, 294190), (104, 271560), (120, 235352), (124, 227760), (130, 217248), (146, 193440), (155, 182208), (156, 181040), (160, 176514), (186, 151840), (192, 147095), (195, 144832), (208, 135780), (219, 128960), (240, 117676), (248, 113880), (260, 108624), (292, 96720), (310, 91104), (312, 90520), (320, 88257), (365, 77376), (372, 75920), (390, 72416), (403, 70080), (416, 67890), (438, 64480), (465, 60736), (480, 58838), (496, 56940), (520, 54312), (584, 48360), (620, 45552), (624, 45260), (730, 38688), (744, 37960), (780, 36208), (806, 35040), (832, 33945), (876, 32240), (930, 30368), (949, 29760), (960, 29419), (992, 28470), (1040, 27156), (1095, 25792), (1168, 24180), (1209, 23360), (1240, 22776), (1248, 22630), (1460, 19344), (1488, 18980), (1560, 18104), (1612, 17520), (1752, 16120), (1860, 15184), (1898, 14880), (1984, 14235), (2015, 14016), (2080, 13578), (2190, 12896), (2263, 12480), (2336, 12090), (2418, 11680), (2480, 11388), (2496, 11315), (2847, 9920), (2920, 9672), (2976, 9490), (3120, 9052), (3224, 8760), (3504, 8060), (3720, 7592), (3796, 7440), (4030, 7008), (4160, 6789), (4380, 6448), (4526, 6240), (4672, 6045), (4745, 5952), (4836, 5840), (4960, 5694)]