18996281460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{38113}}^1$

素因数の和:38215

約数の個数: 192

約数和(自身を含む): 64543772160

約数和(自身を除く): 45547490700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 71, 78, 90, 108, 117, 130, 135, 142, 156, 180, 195, 213, 234, 260, 270, 284, 351, 355, 390, 426, 468, 540, 585, 639, 702, 710, 780, 852, 923, 1065, 1170, 1278, 1404, 1420, 1755, 1846, 1917, 2130, 2340, 2556, 2769, 3195, 3510, 3692, 3834, 4260, 4615, 5538, 6390, 7020, 7668, 8307, 9230, 9585, 11076, 12780, 13845, 16614, 18460, 19170, 24921, 27690, 33228, 38113, 38340, 41535, 49842, 55380, 76226, 83070, 99684, 114339, 124605, 152452, 166140, 190565, 228678, 249210, 343017, 381130, 457356, 495469, 498420, 571695, 686034, 762260, 990938, 1029051, 1143390, 1372068, 1486407, 1715085, 1981876, 2058102, 2286780, 2477345, 2706023, 2972814, 3430170, 4116204, 4459221, 4954690, 5145255, 5412046, 5945628, 6860340, 7432035, 8118069, 8918442, 9909380, 10290510, 10824092, 13377663, 13530115, 14864070, 16236138, 17836884, 20581020, 22296105, 24354207, 26755326, 27060230, 29728140, 32472276, 35178299, 40590345, 44592210, 48708414, 53510652, 54120460, 66888315, 70356598, 73062621, 81180690, 89184420, 97416828, 105534897, 121771035, 133776630, 140713196, 146125242, 162361380, 175891495, 211069794, 243542070, 267553260, 292250484, 316604691, 351782990, 365313105, 422139588, 487084140, 527674485, 633209382, 703565980, 730626210, 949814073, 1055348970, 1266418764, 1461252420, 1583023455, 1899628146, 2110697940, 3166046910, 3799256292, 4749070365, 6332093820, 9498140730, 18996281460]

約数ペア:

[(1, 18996281460), (2, 9498140730), (3, 6332093820), (4, 4749070365), (5, 3799256292), (6, 3166046910), (9, 2110697940), (10, 1899628146), (12, 1583023455), (13, 1461252420), (15, 1266418764), (18, 1055348970), (20, 949814073), (26, 730626210), (27, 703565980), (30, 633209382), (36, 527674485), (39, 487084140), (45, 422139588), (52, 365313105), (54, 351782990), (60, 316604691), (65, 292250484), (71, 267553260), (78, 243542070), (90, 211069794), (108, 175891495), (117, 162361380), (130, 146125242), (135, 140713196), (142, 133776630), (156, 121771035), (180, 105534897), (195, 97416828), (213, 89184420), (234, 81180690), (260, 73062621), (270, 70356598), (284, 66888315), (351, 54120460), (355, 53510652), (390, 48708414), (426, 44592210), (468, 40590345), (540, 35178299), (585, 32472276), (639, 29728140), (702, 27060230), (710, 26755326), (780, 24354207), (852, 22296105), (923, 20581020), (1065, 17836884), (1170, 16236138), (1278, 14864070), (1404, 13530115), (1420, 13377663), (1755, 10824092), (1846, 10290510), (1917, 9909380), (2130, 8918442), (2340, 8118069), (2556, 7432035), (2769, 6860340), (3195, 5945628), (3510, 5412046), (3692, 5145255), (3834, 4954690), (4260, 4459221), (4615, 4116204), (5538, 3430170), (6390, 2972814), (7020, 2706023), (7668, 2477345), (8307, 2286780), (9230, 2058102), (9585, 1981876), (11076, 1715085), (12780, 1486407), (13845, 1372068), (16614, 1143390), (18460, 1029051), (19170, 990938), (24921, 762260), (27690, 686034), (33228, 571695), (38113, 498420), (38340, 495469), (41535, 457356), (49842, 381130), (55380, 343017), (76226, 249210), (83070, 228678), (99684, 190565), (114339, 166140), (124605, 152452)]