64001520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8081}}^1$

素因数の和:8111

約数の個数: 120

約数和(自身を含む): 234507312

約数和(自身を除く): 170505792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 8081, 16162, 24243, 32324, 40405, 48486, 64648, 72729, 80810, 88891, 96972, 121215, 129296, 145458, 161620, 177782, 193944, 242430, 266673, 290916, 323240, 355564, 363645, 387888, 444455, 484860, 533346, 581832, 646480, 711128, 727290, 800019, 888910, 969720, 1066692, 1163664, 1333365, 1422256, 1454580, 1600038, 1777820, 1939440, 2133384, 2666730, 2909160, 3200076, 3555640, 4000095, 4266768, 5333460, 5818320, 6400152, 7111280, 8000190, 10666920, 12800304, 16000380, 21333840, 32000760, 64001520]

約数ペア:

[(1, 64001520), (2, 32000760), (3, 21333840), (4, 16000380), (5, 12800304), (6, 10666920), (8, 8000190), (9, 7111280), (10, 6400152), (11, 5818320), (12, 5333460), (15, 4266768), (16, 4000095), (18, 3555640), (20, 3200076), (22, 2909160), (24, 2666730), (30, 2133384), (33, 1939440), (36, 1777820), (40, 1600038), (44, 1454580), (45, 1422256), (48, 1333365), (55, 1163664), (60, 1066692), (66, 969720), (72, 888910), (80, 800019), (88, 727290), (90, 711128), (99, 646480), (110, 581832), (120, 533346), (132, 484860), (144, 444455), (165, 387888), (176, 363645), (180, 355564), (198, 323240), (220, 290916), (240, 266673), (264, 242430), (330, 193944), (360, 177782), (396, 161620), (440, 145458), (495, 129296), (528, 121215), (660, 96972), (720, 88891), (792, 80810), (880, 72729), (990, 64648), (1320, 48486), (1584, 40405), (1980, 32324), (2640, 24243), (3960, 16162), (7920, 8081)]