31455720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:200

約数の個数: 192

約数和(自身を含む): 111196800

約数和(自身を除く): 79741080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 29, 30, 36, 40, 45, 46, 58, 60, 69, 72, 87, 90, 92, 115, 116, 120, 131, 138, 145, 174, 180, 184, 207, 230, 232, 261, 262, 276, 290, 345, 348, 360, 393, 414, 435, 460, 522, 524, 552, 580, 655, 667, 690, 696, 786, 828, 870, 920, 1035, 1044, 1048, 1160, 1179, 1305, 1310, 1334, 1380, 1572, 1656, 1740, 1965, 2001, 2070, 2088, 2358, 2610, 2620, 2668, 2760, 3013, 3144, 3335, 3480, 3799, 3930, 4002, 4140, 4716, 5220, 5240, 5336, 5895, 6003, 6026, 6670, 7598, 7860, 8004, 8280, 9039, 9432, 10005, 10440, 11397, 11790, 12006, 12052, 13340, 15065, 15196, 15720, 16008, 18078, 18995, 20010, 22794, 23580, 24012, 24104, 26680, 27117, 30015, 30130, 30392, 34191, 36156, 37990, 40020, 45195, 45588, 47160, 48024, 54234, 56985, 60030, 60260, 68382, 72312, 75980, 80040, 87377, 90390, 91176, 108468, 113970, 120060, 120520, 135585, 136764, 151960, 170955, 174754, 180780, 216936, 227940, 240120, 262131, 271170, 273528, 341910, 349508, 361560, 436885, 455880, 524262, 542340, 683820, 699016, 786393, 873770, 1048524, 1084680, 1310655, 1367640, 1572786, 1747540, 2097048, 2621310, 3145572, 3495080, 3931965, 5242620, 6291144, 7863930, 10485240, 15727860, 31455720]

約数ペア:

[(1, 31455720), (2, 15727860), (3, 10485240), (4, 7863930), (5, 6291144), (6, 5242620), (8, 3931965), (9, 3495080), (10, 3145572), (12, 2621310), (15, 2097048), (18, 1747540), (20, 1572786), (23, 1367640), (24, 1310655), (29, 1084680), (30, 1048524), (36, 873770), (40, 786393), (45, 699016), (46, 683820), (58, 542340), (60, 524262), (69, 455880), (72, 436885), (87, 361560), (90, 349508), (92, 341910), (115, 273528), (116, 271170), (120, 262131), (131, 240120), (138, 227940), (145, 216936), (174, 180780), (180, 174754), (184, 170955), (207, 151960), (230, 136764), (232, 135585), (261, 120520), (262, 120060), (276, 113970), (290, 108468), (345, 91176), (348, 90390), (360, 87377), (393, 80040), (414, 75980), (435, 72312), (460, 68382), (522, 60260), (524, 60030), (552, 56985), (580, 54234), (655, 48024), (667, 47160), (690, 45588), (696, 45195), (786, 40020), (828, 37990), (870, 36156), (920, 34191), (1035, 30392), (1044, 30130), (1048, 30015), (1160, 27117), (1179, 26680), (1305, 24104), (1310, 24012), (1334, 23580), (1380, 22794), (1572, 20010), (1656, 18995), (1740, 18078), (1965, 16008), (2001, 15720), (2070, 15196), (2088, 15065), (2358, 13340), (2610, 12052), (2620, 12006), (2668, 11790), (2760, 11397), (3013, 10440), (3144, 10005), (3335, 9432), (3480, 9039), (3799, 8280), (3930, 8004), (4002, 7860), (4140, 7598), (4716, 6670), (5220, 6026), (5240, 6003), (5336, 5895)]