128402040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1553}}^1$

素因数の和:1633

約数の個数: 128

約数和(自身を含む): 422936640

約数和(自身を除く): 294534600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 195, 212, 260, 265, 312, 318, 390, 424, 520, 530, 636, 689, 780, 795, 1060, 1272, 1378, 1553, 1560, 1590, 2067, 2120, 2756, 3106, 3180, 3445, 4134, 4659, 5512, 6212, 6360, 6890, 7765, 8268, 9318, 10335, 12424, 13780, 15530, 16536, 18636, 20189, 20670, 23295, 27560, 31060, 37272, 40378, 41340, 46590, 60567, 62120, 80756, 82309, 82680, 93180, 100945, 121134, 161512, 164618, 186360, 201890, 242268, 246927, 302835, 329236, 403780, 411545, 484536, 493854, 605670, 658472, 807560, 823090, 987708, 1070017, 1211340, 1234635, 1646180, 1975416, 2140034, 2422680, 2469270, 3210051, 3292360, 4280068, 4938540, 5350085, 6420102, 8560136, 9877080, 10700170, 12840204, 16050255, 21400340, 25680408, 32100510, 42800680, 64201020, 128402040]

約数ペア:

[(1, 128402040), (2, 64201020), (3, 42800680), (4, 32100510), (5, 25680408), (6, 21400340), (8, 16050255), (10, 12840204), (12, 10700170), (13, 9877080), (15, 8560136), (20, 6420102), (24, 5350085), (26, 4938540), (30, 4280068), (39, 3292360), (40, 3210051), (52, 2469270), (53, 2422680), (60, 2140034), (65, 1975416), (78, 1646180), (104, 1234635), (106, 1211340), (120, 1070017), (130, 987708), (156, 823090), (159, 807560), (195, 658472), (212, 605670), (260, 493854), (265, 484536), (312, 411545), (318, 403780), (390, 329236), (424, 302835), (520, 246927), (530, 242268), (636, 201890), (689, 186360), (780, 164618), (795, 161512), (1060, 121134), (1272, 100945), (1378, 93180), (1553, 82680), (1560, 82309), (1590, 80756), (2067, 62120), (2120, 60567), (2756, 46590), (3106, 41340), (3180, 40378), (3445, 37272), (4134, 31060), (4659, 27560), (5512, 23295), (6212, 20670), (6360, 20189), (6890, 18636), (7765, 16536), (8268, 15530), (9318, 13780), (10335, 12424)]