31107960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:87

約数の個数: 288

約数和(自身を含む): 120687840

約数和(自身を除く): 89579880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 23, 24, 26, 30, 34, 36, 39, 40, 45, 46, 51, 52, 60, 65, 68, 69, 72, 78, 85, 90, 92, 102, 104, 115, 117, 120, 130, 136, 138, 153, 156, 170, 180, 184, 195, 204, 207, 221, 230, 234, 255, 260, 276, 289, 299, 306, 312, 340, 345, 360, 390, 391, 408, 414, 442, 460, 468, 510, 520, 552, 578, 585, 598, 612, 663, 680, 690, 765, 780, 782, 828, 867, 884, 897, 920, 936, 1020, 1035, 1105, 1156, 1170, 1173, 1196, 1224, 1326, 1380, 1445, 1495, 1530, 1560, 1564, 1656, 1734, 1768, 1794, 1955, 1989, 2040, 2070, 2210, 2312, 2340, 2346, 2392, 2601, 2652, 2691, 2760, 2890, 2990, 3060, 3128, 3315, 3468, 3519, 3588, 3757, 3910, 3978, 4140, 4335, 4420, 4485, 4680, 4692, 5083, 5202, 5304, 5382, 5780, 5865, 5980, 6120, 6630, 6647, 6936, 7038, 7176, 7514, 7820, 7956, 8280, 8670, 8840, 8970, 9384, 9945, 10166, 10404, 10764, 11271, 11560, 11730, 11960, 13005, 13260, 13294, 13455, 14076, 15028, 15249, 15640, 15912, 17340, 17595, 17940, 18785, 19890, 19941, 20332, 20808, 21528, 22542, 23460, 25415, 26010, 26520, 26588, 26910, 28152, 30056, 30498, 33235, 33813, 34680, 35190, 35880, 37570, 39780, 39882, 40664, 45084, 45747, 46920, 50830, 52020, 53176, 53820, 56355, 59823, 60996, 66470, 67626, 70380, 75140, 76245, 79560, 79764, 86411, 90168, 91494, 99705, 101660, 104040, 107640, 112710, 119646, 121992, 132940, 135252, 140760, 150280, 152490, 159528, 169065, 172822, 182988, 199410, 203320, 225420, 228735, 239292, 259233, 265880, 270504, 299115, 304980, 338130, 345644, 365976, 398820, 432055, 450840, 457470, 478584, 518466, 598230, 609960, 676260, 691288, 777699, 797640, 864110, 914940, 1036932, 1196460, 1296165, 1352520, 1555398, 1728220, 1829880, 2073864, 2392920, 2592330, 3110796, 3456440, 3888495, 5184660, 6221592, 7776990, 10369320, 15553980, 31107960]

約数ペア:

[(1, 31107960), (2, 15553980), (3, 10369320), (4, 7776990), (5, 6221592), (6, 5184660), (8, 3888495), (9, 3456440), (10, 3110796), (12, 2592330), (13, 2392920), (15, 2073864), (17, 1829880), (18, 1728220), (20, 1555398), (23, 1352520), (24, 1296165), (26, 1196460), (30, 1036932), (34, 914940), (36, 864110), (39, 797640), (40, 777699), (45, 691288), (46, 676260), (51, 609960), (52, 598230), (60, 518466), (65, 478584), (68, 457470), (69, 450840), (72, 432055), (78, 398820), (85, 365976), (90, 345644), (92, 338130), (102, 304980), (104, 299115), (115, 270504), (117, 265880), (120, 259233), (130, 239292), (136, 228735), (138, 225420), (153, 203320), (156, 199410), (170, 182988), (180, 172822), (184, 169065), (195, 159528), (204, 152490), (207, 150280), (221, 140760), (230, 135252), (234, 132940), (255, 121992), (260, 119646), (276, 112710), (289, 107640), (299, 104040), (306, 101660), (312, 99705), (340, 91494), (345, 90168), (360, 86411), (390, 79764), (391, 79560), (408, 76245), (414, 75140), (442, 70380), (460, 67626), (468, 66470), (510, 60996), (520, 59823), (552, 56355), (578, 53820), (585, 53176), (598, 52020), (612, 50830), (663, 46920), (680, 45747), (690, 45084), (765, 40664), (780, 39882), (782, 39780), (828, 37570), (867, 35880), (884, 35190), (897, 34680), (920, 33813), (936, 33235), (1020, 30498), (1035, 30056), (1105, 28152), (1156, 26910), (1170, 26588), (1173, 26520), (1196, 26010), (1224, 25415), (1326, 23460), (1380, 22542), (1445, 21528), (1495, 20808), (1530, 20332), (1560, 19941), (1564, 19890), (1656, 18785), (1734, 17940), (1768, 17595), (1794, 17340), (1955, 15912), (1989, 15640), (2040, 15249), (2070, 15028), (2210, 14076), (2312, 13455), (2340, 13294), (2346, 13260), (2392, 13005), (2601, 11960), (2652, 11730), (2691, 11560), (2760, 11271), (2890, 10764), (2990, 10404), (3060, 10166), (3128, 9945), (3315, 9384), (3468, 8970), (3519, 8840), (3588, 8670), (3757, 8280), (3910, 7956), (3978, 7820), (4140, 7514), (4335, 7176), (4420, 7038), (4485, 6936), (4680, 6647), (4692, 6630), (5083, 6120), (5202, 5980), (5304, 5865), (5382, 5780)]