1640676871000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{110939}}^1$

素因数の和:111626

約数の個数: 128

約数和(自身を含む): 4012371417600

約数和(自身を除く): 2371694546600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 184, 200, 230, 250, 460, 500, 575, 643, 920, 1000, 1150, 1286, 2300, 2572, 2875, 3215, 4600, 5144, 5750, 6430, 11500, 12860, 14789, 16075, 23000, 25720, 29578, 32150, 59156, 64300, 73945, 80375, 110939, 118312, 128600, 147890, 160750, 221878, 295780, 321500, 369725, 443756, 554695, 591560, 643000, 739450, 887512, 1109390, 1478900, 1848625, 2218780, 2551597, 2773475, 2957800, 3697250, 4437560, 5103194, 5546950, 7394500, 10206388, 11093900, 12757985, 13867375, 14789000, 20412776, 22187800, 25515970, 27734750, 51031940, 55469500, 63789925, 71333777, 102063880, 110939000, 127579850, 142667554, 255159700, 285335108, 318949625, 356668885, 510319400, 570670216, 637899250, 713337770, 1275798500, 1426675540, 1640676871, 1783344425, 2551597000, 2853351080, 3281353742, 3566688850, 6562707484, 7133377700, 8203384355, 8916722125, 13125414968, 14266755400, 16406768710, 17833444250, 32813537420, 35666888500, 41016921775, 65627074840, 71333777000, 82033843550, 164067687100, 205084608875, 328135374200, 410169217750, 820338435500, 1640676871000]

約数ペア:

[(1, 1640676871000), (2, 820338435500), (4, 410169217750), (5, 328135374200), (8, 205084608875), (10, 164067687100), (20, 82033843550), (23, 71333777000), (25, 65627074840), (40, 41016921775), (46, 35666888500), (50, 32813537420), (92, 17833444250), (100, 16406768710), (115, 14266755400), (125, 13125414968), (184, 8916722125), (200, 8203384355), (230, 7133377700), (250, 6562707484), (460, 3566688850), (500, 3281353742), (575, 2853351080), (643, 2551597000), (920, 1783344425), (1000, 1640676871), (1150, 1426675540), (1286, 1275798500), (2300, 713337770), (2572, 637899250), (2875, 570670216), (3215, 510319400), (4600, 356668885), (5144, 318949625), (5750, 285335108), (6430, 255159700), (11500, 142667554), (12860, 127579850), (14789, 110939000), (16075, 102063880), (23000, 71333777), (25720, 63789925), (29578, 55469500), (32150, 51031940), (59156, 27734750), (64300, 25515970), (73945, 22187800), (80375, 20412776), (110939, 14789000), (118312, 13867375), (128600, 12757985), (147890, 11093900), (160750, 10206388), (221878, 7394500), (295780, 5546950), (321500, 5103194), (369725, 4437560), (443756, 3697250), (554695, 2957800), (591560, 2773475), (643000, 2551597), (739450, 2218780), (887512, 1848625), (1109390, 1478900)]