78757380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{863}}^1$

素因数の和:907

約数の個数: 144

約数和(自身を含む): 265628160

約数和(自身を除く): 186870780

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, 78, 90, 108, 117, 130, 135, 156, 169, 180, 195, 234, 260, 270, 338, 351, 390, 468, 507, 540, 585, 676, 702, 780, 845, 863, 1014, 1170, 1404, 1521, 1690, 1726, 1755, 2028, 2340, 2535, 2589, 3042, 3380, 3452, 3510, 4315, 4563, 5070, 5178, 6084, 7020, 7605, 7767, 8630, 9126, 10140, 10356, 11219, 12945, 15210, 15534, 17260, 18252, 22438, 22815, 23301, 25890, 30420, 31068, 33657, 38835, 44876, 45630, 46602, 51780, 56095, 67314, 77670, 91260, 93204, 100971, 112190, 116505, 134628, 145847, 155340, 168285, 201942, 224380, 233010, 291694, 302913, 336570, 403884, 437541, 466020, 504855, 583388, 605826, 673140, 729235, 875082, 1009710, 1211652, 1312623, 1458470, 1514565, 1750164, 2019420, 2187705, 2625246, 2916940, 3029130, 3937869, 4375410, 5250492, 6058260, 6563115, 7875738, 8750820, 13126230, 15751476, 19689345, 26252460, 39378690, 78757380]

約数ペア:

[(1, 78757380), (2, 39378690), (3, 26252460), (4, 19689345), (5, 15751476), (6, 13126230), (9, 8750820), (10, 7875738), (12, 6563115), (13, 6058260), (15, 5250492), (18, 4375410), (20, 3937869), (26, 3029130), (27, 2916940), (30, 2625246), (36, 2187705), (39, 2019420), (45, 1750164), (52, 1514565), (54, 1458470), (60, 1312623), (65, 1211652), (78, 1009710), (90, 875082), (108, 729235), (117, 673140), (130, 605826), (135, 583388), (156, 504855), (169, 466020), (180, 437541), (195, 403884), (234, 336570), (260, 302913), (270, 291694), (338, 233010), (351, 224380), (390, 201942), (468, 168285), (507, 155340), (540, 145847), (585, 134628), (676, 116505), (702, 112190), (780, 100971), (845, 93204), (863, 91260), (1014, 77670), (1170, 67314), (1404, 56095), (1521, 51780), (1690, 46602), (1726, 45630), (1755, 44876), (2028, 38835), (2340, 33657), (2535, 31068), (2589, 30420), (3042, 25890), (3380, 23301), (3452, 22815), (3510, 22438), (4315, 18252), (4563, 17260), (5070, 15534), (5178, 15210), (6084, 12945), (7020, 11219), (7605, 10356), (7767, 10140), (8630, 9126)]