251612640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 288

約数和(自身を含む): 917070336

約数和(自身を除く): 665457696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 71, 72, 80, 90, 92, 96, 107, 115, 120, 138, 142, 144, 160, 180, 184, 207, 213, 214, 230, 240, 276, 284, 288, 321, 345, 355, 360, 368, 414, 426, 428, 460, 480, 535, 552, 568, 639, 642, 690, 710, 720, 736, 828, 852, 856, 920, 963, 1035, 1065, 1070, 1104, 1136, 1278, 1284, 1380, 1420, 1440, 1605, 1633, 1656, 1704, 1712, 1840, 1926, 2070, 2130, 2140, 2208, 2272, 2461, 2556, 2568, 2760, 2840, 3195, 3210, 3266, 3312, 3408, 3424, 3680, 3852, 4140, 4260, 4280, 4815, 4899, 4922, 5112, 5136, 5520, 5680, 6390, 6420, 6532, 6624, 6816, 7383, 7597, 7704, 8165, 8280, 8520, 8560, 9630, 9798, 9844, 10224, 10272, 11040, 11360, 12305, 12780, 12840, 13064, 14697, 14766, 15194, 15408, 16330, 16560, 17040, 17120, 19260, 19596, 19688, 20448, 22149, 22791, 24495, 24610, 25560, 25680, 26128, 29394, 29532, 30388, 30816, 32660, 33120, 34080, 36915, 37985, 38520, 39192, 39376, 44298, 45582, 48990, 49220, 51120, 51360, 52256, 58788, 59064, 60776, 65320, 68373, 73485, 73830, 75970, 77040, 78384, 78752, 88596, 91164, 97980, 98440, 102240, 110745, 113955, 117576, 118128, 121552, 130640, 136746, 146970, 147660, 151940, 154080, 156768, 174731, 177192, 182328, 195960, 196880, 221490, 227910, 235152, 236256, 243104, 261280, 273492, 293940, 295320, 303880, 341865, 349462, 354384, 364656, 391920, 393760, 442980, 455820, 470304, 524193, 546984, 587880, 590640, 607760, 683730, 698924, 708768, 729312, 783840, 873655, 885960, 911640, 1048386, 1093968, 1175760, 1181280, 1215520, 1367460, 1397848, 1572579, 1747310, 1771920, 1823280, 2096772, 2187936, 2351520, 2620965, 2734920, 2795696, 3145158, 3494620, 3543840, 3646560, 4193544, 5241930, 5469840, 5591392, 6290316, 6989240, 7862895, 8387088, 10483860, 10939680, 12580632, 13978480, 15725790, 16774176, 20967720, 25161264, 27956960, 31451580, 41935440, 50322528, 62903160, 83870880, 125806320, 251612640]

約数ペア:

[(1, 251612640), (2, 125806320), (3, 83870880), (4, 62903160), (5, 50322528), (6, 41935440), (8, 31451580), (9, 27956960), (10, 25161264), (12, 20967720), (15, 16774176), (16, 15725790), (18, 13978480), (20, 12580632), (23, 10939680), (24, 10483860), (30, 8387088), (32, 7862895), (36, 6989240), (40, 6290316), (45, 5591392), (46, 5469840), (48, 5241930), (60, 4193544), (69, 3646560), (71, 3543840), (72, 3494620), (80, 3145158), (90, 2795696), (92, 2734920), (96, 2620965), (107, 2351520), (115, 2187936), (120, 2096772), (138, 1823280), (142, 1771920), (144, 1747310), (160, 1572579), (180, 1397848), (184, 1367460), (207, 1215520), (213, 1181280), (214, 1175760), (230, 1093968), (240, 1048386), (276, 911640), (284, 885960), (288, 873655), (321, 783840), (345, 729312), (355, 708768), (360, 698924), (368, 683730), (414, 607760), (426, 590640), (428, 587880), (460, 546984), (480, 524193), (535, 470304), (552, 455820), (568, 442980), (639, 393760), (642, 391920), (690, 364656), (710, 354384), (720, 349462), (736, 341865), (828, 303880), (852, 295320), (856, 293940), (920, 273492), (963, 261280), (1035, 243104), (1065, 236256), (1070, 235152), (1104, 227910), (1136, 221490), (1278, 196880), (1284, 195960), (1380, 182328), (1420, 177192), (1440, 174731), (1605, 156768), (1633, 154080), (1656, 151940), (1704, 147660), (1712, 146970), (1840, 136746), (1926, 130640), (2070, 121552), (2130, 118128), (2140, 117576), (2208, 113955), (2272, 110745), (2461, 102240), (2556, 98440), (2568, 97980), (2760, 91164), (2840, 88596), (3195, 78752), (3210, 78384), (3266, 77040), (3312, 75970), (3408, 73830), (3424, 73485), (3680, 68373), (3852, 65320), (4140, 60776), (4260, 59064), (4280, 58788), (4815, 52256), (4899, 51360), (4922, 51120), (5112, 49220), (5136, 48990), (5520, 45582), (5680, 44298), (6390, 39376), (6420, 39192), (6532, 38520), (6624, 37985), (6816, 36915), (7383, 34080), (7597, 33120), (7704, 32660), (8165, 30816), (8280, 30388), (8520, 29532), (8560, 29394), (9630, 26128), (9798, 25680), (9844, 25560), (10224, 24610), (10272, 24495), (11040, 22791), (11360, 22149), (12305, 20448), (12780, 19688), (12840, 19596), (13064, 19260), (14697, 17120), (14766, 17040), (15194, 16560), (15408, 16330)]