2019221880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{19319}}^1$

素因数の和:19413

約数の個数: 128

約数和(自身を含む): 6621350400

約数和(自身を除く): 4602128520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 195, 201, 260, 268, 312, 335, 390, 402, 520, 536, 670, 780, 804, 871, 1005, 1340, 1560, 1608, 1742, 2010, 2613, 2680, 3484, 4020, 4355, 5226, 6968, 8040, 8710, 10452, 13065, 17420, 19319, 20904, 26130, 34840, 38638, 52260, 57957, 77276, 96595, 104520, 115914, 154552, 193190, 231828, 251147, 289785, 386380, 463656, 502294, 579570, 753441, 772760, 1004588, 1159140, 1255735, 1294373, 1506882, 2009176, 2318280, 2511470, 2588746, 3013764, 3767205, 3883119, 5022940, 5177492, 6027528, 6471865, 7534410, 7766238, 10045880, 10354984, 12943730, 15068820, 15532476, 16826849, 19415595, 25887460, 30137640, 31064952, 33653698, 38831190, 50480547, 51774920, 67307396, 77662380, 84134245, 100961094, 134614792, 155324760, 168268490, 201922188, 252402735, 336536980, 403844376, 504805470, 673073960, 1009610940, 2019221880]

約数ペア:

[(1, 2019221880), (2, 1009610940), (3, 673073960), (4, 504805470), (5, 403844376), (6, 336536980), (8, 252402735), (10, 201922188), (12, 168268490), (13, 155324760), (15, 134614792), (20, 100961094), (24, 84134245), (26, 77662380), (30, 67307396), (39, 51774920), (40, 50480547), (52, 38831190), (60, 33653698), (65, 31064952), (67, 30137640), (78, 25887460), (104, 19415595), (120, 16826849), (130, 15532476), (134, 15068820), (156, 12943730), (195, 10354984), (201, 10045880), (260, 7766238), (268, 7534410), (312, 6471865), (335, 6027528), (390, 5177492), (402, 5022940), (520, 3883119), (536, 3767205), (670, 3013764), (780, 2588746), (804, 2511470), (871, 2318280), (1005, 2009176), (1340, 1506882), (1560, 1294373), (1608, 1255735), (1742, 1159140), (2010, 1004588), (2613, 772760), (2680, 753441), (3484, 579570), (4020, 502294), (4355, 463656), (5226, 386380), (6968, 289785), (8040, 251147), (8710, 231828), (10452, 193190), (13065, 154552), (17420, 115914), (19319, 104520), (20904, 96595), (26130, 77276), (34840, 57957), (38638, 52260)]