66666520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 163569600

約数和(自身を除く): 96903080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 79, 85, 136, 146, 158, 170, 289, 292, 316, 340, 365, 395, 578, 584, 632, 680, 730, 790, 1156, 1241, 1343, 1445, 1460, 1580, 2312, 2482, 2686, 2890, 2920, 3160, 4964, 5372, 5767, 5780, 6205, 6715, 9928, 10744, 11534, 11560, 12410, 13430, 21097, 22831, 23068, 24820, 26860, 28835, 42194, 45662, 46136, 49640, 53720, 57670, 84388, 91324, 98039, 105485, 114155, 115340, 168776, 182648, 196078, 210970, 228310, 230680, 392156, 421940, 456620, 490195, 784312, 843880, 913240, 980390, 1666663, 1960780, 3333326, 3921560, 6666652, 8333315, 13333304, 16666630, 33333260, 66666520]

約数ペア:

[(1, 66666520), (2, 33333260), (4, 16666630), (5, 13333304), (8, 8333315), (10, 6666652), (17, 3921560), (20, 3333326), (34, 1960780), (40, 1666663), (68, 980390), (73, 913240), (79, 843880), (85, 784312), (136, 490195), (146, 456620), (158, 421940), (170, 392156), (289, 230680), (292, 228310), (316, 210970), (340, 196078), (365, 182648), (395, 168776), (578, 115340), (584, 114155), (632, 105485), (680, 98039), (730, 91324), (790, 84388), (1156, 57670), (1241, 53720), (1343, 49640), (1445, 46136), (1460, 45662), (1580, 42194), (2312, 28835), (2482, 26860), (2686, 24820), (2890, 23068), (2920, 22831), (3160, 21097), (4964, 13430), (5372, 12410), (5767, 11560), (5780, 11534), (6205, 10744), (6715, 9928)]