491648040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8081}}^1$

素因数の和:8124

約数の個数: 144

約数和(自身を含む): 1730437020

約数和(自身を除く): 1238788980

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 338, 360, 390, 468, 507, 520, 585, 676, 780, 845, 936, 1014, 1170, 1352, 1521, 1560, 1690, 2028, 2340, 2535, 3042, 3380, 4056, 4680, 5070, 6084, 6760, 7605, 8081, 10140, 12168, 15210, 16162, 20280, 24243, 30420, 32324, 40405, 48486, 60840, 64648, 72729, 80810, 96972, 105053, 121215, 145458, 161620, 193944, 210106, 242430, 290916, 315159, 323240, 363645, 420212, 484860, 525265, 581832, 630318, 727290, 840424, 945477, 969720, 1050530, 1260636, 1365689, 1454580, 1575795, 1890954, 2101060, 2521272, 2731378, 2909160, 3151590, 3781908, 4097067, 4202120, 4727385, 5462756, 6303180, 6828445, 7563816, 8194134, 9454770, 10925512, 12291201, 12606360, 13656890, 16388268, 18909540, 20485335, 24582402, 27313780, 32776536, 37819080, 40970670, 49164804, 54627560, 61456005, 81941340, 98329608, 122912010, 163882680, 245824020, 491648040]

約数ペア:

[(1, 491648040), (2, 245824020), (3, 163882680), (4, 122912010), (5, 98329608), (6, 81941340), (8, 61456005), (9, 54627560), (10, 49164804), (12, 40970670), (13, 37819080), (15, 32776536), (18, 27313780), (20, 24582402), (24, 20485335), (26, 18909540), (30, 16388268), (36, 13656890), (39, 12606360), (40, 12291201), (45, 10925512), (52, 9454770), (60, 8194134), (65, 7563816), (72, 6828445), (78, 6303180), (90, 5462756), (104, 4727385), (117, 4202120), (120, 4097067), (130, 3781908), (156, 3151590), (169, 2909160), (180, 2731378), (195, 2521272), (234, 2101060), (260, 1890954), (312, 1575795), (338, 1454580), (360, 1365689), (390, 1260636), (468, 1050530), (507, 969720), (520, 945477), (585, 840424), (676, 727290), (780, 630318), (845, 581832), (936, 525265), (1014, 484860), (1170, 420212), (1352, 363645), (1521, 323240), (1560, 315159), (1690, 290916), (2028, 242430), (2340, 210106), (2535, 193944), (3042, 161620), (3380, 145458), (4056, 121215), (4680, 105053), (5070, 96972), (6084, 80810), (6760, 72729), (7605, 64648), (8081, 60840), (10140, 48486), (12168, 40405), (15210, 32324), (16162, 30420), (20280, 24243)]