512438680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 1300561920

約数和(自身を除く): 788123240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 83, 104, 124, 130, 155, 166, 248, 260, 310, 332, 383, 403, 415, 520, 620, 664, 766, 806, 830, 1079, 1240, 1532, 1612, 1660, 1915, 2015, 2158, 2573, 3064, 3224, 3320, 3830, 4030, 4316, 4979, 5146, 5395, 7660, 8060, 8632, 9958, 10292, 10790, 11873, 12865, 15320, 16120, 19916, 20584, 21580, 23746, 24895, 25730, 31789, 33449, 39832, 43160, 47492, 49790, 51460, 59365, 63578, 66898, 94984, 99580, 102920, 118730, 127156, 133796, 154349, 158945, 167245, 199160, 237460, 254312, 267592, 308698, 317890, 334490, 413257, 474920, 617396, 635780, 668980, 771745, 826514, 985459, 1234792, 1271560, 1337960, 1543490, 1653028, 1970918, 2066285, 3086980, 3306056, 3941836, 4132570, 4927295, 6173960, 7883672, 8265140, 9854590, 12810967, 16530280, 19709180, 25621934, 39418360, 51243868, 64054835, 102487736, 128109670, 256219340, 512438680]

約数ペア:

[(1, 512438680), (2, 256219340), (4, 128109670), (5, 102487736), (8, 64054835), (10, 51243868), (13, 39418360), (20, 25621934), (26, 19709180), (31, 16530280), (40, 12810967), (52, 9854590), (62, 8265140), (65, 7883672), (83, 6173960), (104, 4927295), (124, 4132570), (130, 3941836), (155, 3306056), (166, 3086980), (248, 2066285), (260, 1970918), (310, 1653028), (332, 1543490), (383, 1337960), (403, 1271560), (415, 1234792), (520, 985459), (620, 826514), (664, 771745), (766, 668980), (806, 635780), (830, 617396), (1079, 474920), (1240, 413257), (1532, 334490), (1612, 317890), (1660, 308698), (1915, 267592), (2015, 254312), (2158, 237460), (2573, 199160), (3064, 167245), (3224, 158945), (3320, 154349), (3830, 133796), (4030, 127156), (4316, 118730), (4979, 102920), (5146, 99580), (5395, 94984), (7660, 66898), (8060, 63578), (8632, 59365), (9958, 51460), (10292, 49790), (10790, 47492), (11873, 43160), (12865, 39832), (15320, 33449), (16120, 31789), (19916, 25730), (20584, 24895), (21580, 23746)]