64401840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3889}}^1$

素因数の和:3931

約数の個数: 120

約数和(自身を含む): 225744480

約数和(自身を除く): 161342640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 3889, 4140, 5520, 7778, 8280, 11667, 15556, 16560, 19445, 23334, 31112, 35001, 38890, 46668, 58335, 62224, 70002, 77780, 89447, 93336, 116670, 140004, 155560, 175005, 178894, 186672, 233340, 268341, 280008, 311120, 350010, 357788, 447235, 466680, 536682, 560016, 700020, 715576, 805023, 894470, 933360, 1073364, 1341705, 1400040, 1431152, 1610046, 1788940, 2146728, 2683410, 2800080, 3220092, 3577880, 4025115, 4293456, 5366820, 6440184, 7155760, 8050230, 10733640, 12880368, 16100460, 21467280, 32200920, 64401840]

約数ペア:

[(1, 64401840), (2, 32200920), (3, 21467280), (4, 16100460), (5, 12880368), (6, 10733640), (8, 8050230), (9, 7155760), (10, 6440184), (12, 5366820), (15, 4293456), (16, 4025115), (18, 3577880), (20, 3220092), (23, 2800080), (24, 2683410), (30, 2146728), (36, 1788940), (40, 1610046), (45, 1431152), (46, 1400040), (48, 1341705), (60, 1073364), (69, 933360), (72, 894470), (80, 805023), (90, 715576), (92, 700020), (115, 560016), (120, 536682), (138, 466680), (144, 447235), (180, 357788), (184, 350010), (207, 311120), (230, 280008), (240, 268341), (276, 233340), (345, 186672), (360, 178894), (368, 175005), (414, 155560), (460, 140004), (552, 116670), (690, 93336), (720, 89447), (828, 77780), (920, 70002), (1035, 62224), (1104, 58335), (1380, 46668), (1656, 38890), (1840, 35001), (2070, 31112), (2760, 23334), (3312, 19445), (3889, 16560), (4140, 15556), (5520, 11667), (7778, 8280)]