31928040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 256

約数和(自身を含む): 118195200

約数和(自身を除く): 86267160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 37, 40, 45, 47, 51, 54, 60, 68, 72, 74, 85, 90, 94, 102, 108, 111, 120, 135, 136, 141, 148, 153, 170, 180, 185, 188, 204, 216, 222, 235, 255, 270, 282, 296, 306, 333, 340, 360, 370, 376, 408, 423, 444, 459, 470, 510, 540, 555, 564, 612, 629, 666, 680, 705, 740, 765, 799, 846, 888, 918, 940, 999, 1020, 1080, 1110, 1128, 1224, 1258, 1269, 1332, 1410, 1480, 1530, 1598, 1665, 1692, 1739, 1836, 1880, 1887, 1998, 2040, 2115, 2220, 2295, 2397, 2516, 2538, 2664, 2820, 3060, 3145, 3196, 3330, 3384, 3478, 3672, 3774, 3995, 3996, 4230, 4440, 4590, 4794, 4995, 5032, 5076, 5217, 5640, 5661, 6120, 6290, 6345, 6392, 6660, 6956, 7191, 7548, 7990, 7992, 8460, 8695, 9180, 9435, 9588, 9990, 10152, 10434, 11322, 11985, 12580, 12690, 13320, 13912, 14382, 15096, 15651, 15980, 16920, 16983, 17390, 18360, 18870, 19176, 19980, 20868, 21573, 22644, 23970, 25160, 25380, 26085, 28305, 28764, 29563, 31302, 31960, 33966, 34780, 35955, 37740, 39960, 41736, 43146, 45288, 46953, 47940, 50760, 52170, 56610, 57528, 59126, 62604, 67932, 69560, 71910, 75480, 78255, 84915, 86292, 88689, 93906, 95880, 104340, 107865, 113220, 118252, 125208, 135864, 143820, 147815, 156510, 169830, 172584, 177378, 187812, 208680, 215730, 226440, 234765, 236504, 266067, 287640, 295630, 313020, 339660, 354756, 375624, 431460, 443445, 469530, 532134, 591260, 626040, 679320, 709512, 798201, 862920, 886890, 939060, 1064268, 1182520, 1330335, 1596402, 1773780, 1878120, 2128536, 2660670, 3192804, 3547560, 3991005, 5321340, 6385608, 7982010, 10642680, 15964020, 31928040]

約数ペア:

[(1, 31928040), (2, 15964020), (3, 10642680), (4, 7982010), (5, 6385608), (6, 5321340), (8, 3991005), (9, 3547560), (10, 3192804), (12, 2660670), (15, 2128536), (17, 1878120), (18, 1773780), (20, 1596402), (24, 1330335), (27, 1182520), (30, 1064268), (34, 939060), (36, 886890), (37, 862920), (40, 798201), (45, 709512), (47, 679320), (51, 626040), (54, 591260), (60, 532134), (68, 469530), (72, 443445), (74, 431460), (85, 375624), (90, 354756), (94, 339660), (102, 313020), (108, 295630), (111, 287640), (120, 266067), (135, 236504), (136, 234765), (141, 226440), (148, 215730), (153, 208680), (170, 187812), (180, 177378), (185, 172584), (188, 169830), (204, 156510), (216, 147815), (222, 143820), (235, 135864), (255, 125208), (270, 118252), (282, 113220), (296, 107865), (306, 104340), (333, 95880), (340, 93906), (360, 88689), (370, 86292), (376, 84915), (408, 78255), (423, 75480), (444, 71910), (459, 69560), (470, 67932), (510, 62604), (540, 59126), (555, 57528), (564, 56610), (612, 52170), (629, 50760), (666, 47940), (680, 46953), (705, 45288), (740, 43146), (765, 41736), (799, 39960), (846, 37740), (888, 35955), (918, 34780), (940, 33966), (999, 31960), (1020, 31302), (1080, 29563), (1110, 28764), (1128, 28305), (1224, 26085), (1258, 25380), (1269, 25160), (1332, 23970), (1410, 22644), (1480, 21573), (1530, 20868), (1598, 19980), (1665, 19176), (1692, 18870), (1739, 18360), (1836, 17390), (1880, 16983), (1887, 16920), (1998, 15980), (2040, 15651), (2115, 15096), (2220, 14382), (2295, 13912), (2397, 13320), (2516, 12690), (2538, 12580), (2664, 11985), (2820, 11322), (3060, 10434), (3145, 10152), (3196, 9990), (3330, 9588), (3384, 9435), (3478, 9180), (3672, 8695), (3774, 8460), (3995, 7992), (3996, 7990), (4230, 7548), (4440, 7191), (4590, 6956), (4794, 6660), (4995, 6392), (5032, 6345), (5076, 6290), (5217, 6120), (5640, 5661)]