20157558720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{7243}}^1$

素因数の和:7499

約数の個数: 224

約数和(自身を含む): 69241976832

約数和(自身を除く): 49084418112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 223, 240, 260, 312, 320, 390, 416, 446, 480, 520, 624, 669, 780, 832, 892, 960, 1040, 1115, 1248, 1338, 1560, 1784, 2080, 2230, 2496, 2676, 2899, 3120, 3345, 3568, 4160, 4460, 5352, 5798, 6240, 6690, 7136, 7243, 8697, 8920, 10704, 11596, 12480, 13380, 14272, 14486, 14495, 17394, 17840, 21408, 21729, 23192, 26760, 28972, 28990, 34788, 35680, 36215, 42816, 43458, 43485, 46384, 53520, 57944, 57980, 69576, 71360, 72430, 86916, 86970, 92768, 94159, 107040, 108645, 115888, 115960, 139152, 144860, 173832, 173940, 185536, 188318, 214080, 217290, 231776, 231920, 278304, 282477, 289720, 347664, 347880, 376636, 434580, 463552, 463840, 470795, 556608, 564954, 579440, 695328, 695760, 753272, 869160, 927680, 941590, 1129908, 1158880, 1390656, 1391520, 1412385, 1506544, 1615189, 1738320, 1883180, 2259816, 2317760, 2783040, 2824770, 3013088, 3230378, 3476640, 3766360, 4519632, 4845567, 5649540, 6026176, 6460756, 6953280, 7532720, 8075945, 9039264, 9691134, 11299080, 12921512, 15065440, 16151890, 18078528, 19382268, 20997457, 22598160, 24227835, 25843024, 30130880, 32303780, 38764536, 41994914, 45196320, 48455670, 51686048, 62992371, 64607560, 77529072, 83989828, 90392640, 96911340, 103372096, 104987285, 125984742, 129215120, 155058144, 167979656, 193822680, 209974570, 251969484, 258430240, 310116288, 314961855, 335959312, 387645360, 419949140, 503938968, 516860480, 629923710, 671918624, 775290720, 839898280, 1007877936, 1259847420, 1343837248, 1550581440, 1679796560, 2015755872, 2519694840, 3359593120, 4031511744, 5039389680, 6719186240, 10078779360, 20157558720]

約数ペア:

[(1, 20157558720), (2, 10078779360), (3, 6719186240), (4, 5039389680), (5, 4031511744), (6, 3359593120), (8, 2519694840), (10, 2015755872), (12, 1679796560), (13, 1550581440), (15, 1343837248), (16, 1259847420), (20, 1007877936), (24, 839898280), (26, 775290720), (30, 671918624), (32, 629923710), (39, 516860480), (40, 503938968), (48, 419949140), (52, 387645360), (60, 335959312), (64, 314961855), (65, 310116288), (78, 258430240), (80, 251969484), (96, 209974570), (104, 193822680), (120, 167979656), (130, 155058144), (156, 129215120), (160, 125984742), (192, 104987285), (195, 103372096), (208, 96911340), (223, 90392640), (240, 83989828), (260, 77529072), (312, 64607560), (320, 62992371), (390, 51686048), (416, 48455670), (446, 45196320), (480, 41994914), (520, 38764536), (624, 32303780), (669, 30130880), (780, 25843024), (832, 24227835), (892, 22598160), (960, 20997457), (1040, 19382268), (1115, 18078528), (1248, 16151890), (1338, 15065440), (1560, 12921512), (1784, 11299080), (2080, 9691134), (2230, 9039264), (2496, 8075945), (2676, 7532720), (2899, 6953280), (3120, 6460756), (3345, 6026176), (3568, 5649540), (4160, 4845567), (4460, 4519632), (5352, 3766360), (5798, 3476640), (6240, 3230378), (6690, 3013088), (7136, 2824770), (7243, 2783040), (8697, 2317760), (8920, 2259816), (10704, 1883180), (11596, 1738320), (12480, 1615189), (13380, 1506544), (14272, 1412385), (14486, 1391520), (14495, 1390656), (17394, 1158880), (17840, 1129908), (21408, 941590), (21729, 927680), (23192, 869160), (26760, 753272), (28972, 695760), (28990, 695328), (34788, 579440), (35680, 564954), (36215, 556608), (42816, 470795), (43458, 463840), (43485, 463552), (46384, 434580), (53520, 376636), (57944, 347880), (57980, 347664), (69576, 289720), (71360, 282477), (72430, 278304), (86916, 231920), (86970, 231776), (92768, 217290), (94159, 214080), (107040, 188318), (108645, 185536), (115888, 173940), (115960, 173832), (139152, 144860)]