1640997360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20533}}^1$

素因数の和:20592

約数の個数: 160

約数和(自身を含む): 5805372480

約数和(自身を除く): 4164375120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 108, 111, 120, 135, 144, 148, 180, 185, 216, 222, 240, 270, 296, 333, 360, 370, 432, 444, 540, 555, 592, 666, 720, 740, 888, 999, 1080, 1110, 1332, 1480, 1665, 1776, 1998, 2160, 2220, 2664, 2960, 3330, 3996, 4440, 4995, 5328, 6660, 7992, 8880, 9990, 13320, 15984, 19980, 20533, 26640, 39960, 41066, 61599, 79920, 82132, 102665, 123198, 164264, 184797, 205330, 246396, 307995, 328528, 369594, 410660, 492792, 554391, 615990, 739188, 759721, 821320, 923985, 985584, 1108782, 1231980, 1478376, 1519442, 1642640, 1847970, 2217564, 2279163, 2463960, 2771955, 2956752, 3038884, 3695940, 3798605, 4435128, 4558326, 4927920, 5543910, 6077768, 6837489, 7391880, 7597210, 8870256, 9116652, 11087820, 11395815, 12155536, 13674978, 14783760, 15194420, 18233304, 20512467, 22175640, 22791630, 27349956, 30388840, 34187445, 36466608, 41024934, 44351280, 45583260, 54699912, 60777680, 68374890, 82049868, 91166520, 102562335, 109399824, 136749780, 164099736, 182333040, 205124670, 273499560, 328199472, 410249340, 546999120, 820498680, 1640997360]

約数ペア:

[(1, 1640997360), (2, 820498680), (3, 546999120), (4, 410249340), (5, 328199472), (6, 273499560), (8, 205124670), (9, 182333040), (10, 164099736), (12, 136749780), (15, 109399824), (16, 102562335), (18, 91166520), (20, 82049868), (24, 68374890), (27, 60777680), (30, 54699912), (36, 45583260), (37, 44351280), (40, 41024934), (45, 36466608), (48, 34187445), (54, 30388840), (60, 27349956), (72, 22791630), (74, 22175640), (80, 20512467), (90, 18233304), (108, 15194420), (111, 14783760), (120, 13674978), (135, 12155536), (144, 11395815), (148, 11087820), (180, 9116652), (185, 8870256), (216, 7597210), (222, 7391880), (240, 6837489), (270, 6077768), (296, 5543910), (333, 4927920), (360, 4558326), (370, 4435128), (432, 3798605), (444, 3695940), (540, 3038884), (555, 2956752), (592, 2771955), (666, 2463960), (720, 2279163), (740, 2217564), (888, 1847970), (999, 1642640), (1080, 1519442), (1110, 1478376), (1332, 1231980), (1480, 1108782), (1665, 985584), (1776, 923985), (1998, 821320), (2160, 759721), (2220, 739188), (2664, 615990), (2960, 554391), (3330, 492792), (3996, 410660), (4440, 369594), (4995, 328528), (5328, 307995), (6660, 246396), (7992, 205330), (8880, 184797), (9990, 164264), (13320, 123198), (15984, 102665), (19980, 82132), (20533, 79920), (26640, 61599), (39960, 41066)]