1644200320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11839}}^1$

素因数の和:11896

約数の個数: 128

約数和(自身を含む): 4637491200

約数和(自身を除く): 2993290880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 6944, 8680, 9920, 11839, 13888, 17360, 19840, 23678, 27776, 34720, 47356, 59195, 69440, 82873, 94712, 118390, 138880, 165746, 189424, 236780, 331492, 367009, 378848, 414365, 473560, 662984, 734018, 757696, 828730, 947120, 1325968, 1468036, 1515392, 1657460, 1835045, 1894240, 2569063, 2651936, 2936072, 3314920, 3670090, 3788480, 5138126, 5303872, 5872144, 6629840, 7340180, 7576960, 10276252, 10607744, 11744288, 12845315, 13259680, 14680360, 20552504, 23488576, 25690630, 26519360, 29360720, 41105008, 46977152, 51381260, 53038720, 58721440, 82210016, 102762520, 117442880, 164420032, 205525040, 234885760, 328840064, 411050080, 822100160, 1644200320]

約数ペア:

[(1, 1644200320), (2, 822100160), (4, 411050080), (5, 328840064), (7, 234885760), (8, 205525040), (10, 164420032), (14, 117442880), (16, 102762520), (20, 82210016), (28, 58721440), (31, 53038720), (32, 51381260), (35, 46977152), (40, 41105008), (56, 29360720), (62, 26519360), (64, 25690630), (70, 23488576), (80, 20552504), (112, 14680360), (124, 13259680), (128, 12845315), (140, 11744288), (155, 10607744), (160, 10276252), (217, 7576960), (224, 7340180), (248, 6629840), (280, 5872144), (310, 5303872), (320, 5138126), (434, 3788480), (448, 3670090), (496, 3314920), (560, 2936072), (620, 2651936), (640, 2569063), (868, 1894240), (896, 1835045), (992, 1657460), (1085, 1515392), (1120, 1468036), (1240, 1325968), (1736, 947120), (1984, 828730), (2170, 757696), (2240, 734018), (2480, 662984), (3472, 473560), (3968, 414365), (4340, 378848), (4480, 367009), (4960, 331492), (6944, 236780), (8680, 189424), (9920, 165746), (11839, 138880), (13888, 118390), (17360, 94712), (19840, 82873), (23678, 69440), (27776, 59195), (34720, 47356)]