218761740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1088

約数の個数: 144

約数和(自身を含む): 706200768

約数和(自身を除く): 487439028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 53, 60, 69, 90, 92, 106, 115, 138, 159, 180, 207, 212, 230, 265, 276, 318, 345, 414, 460, 477, 530, 636, 690, 795, 828, 954, 997, 1035, 1060, 1219, 1380, 1590, 1908, 1994, 2070, 2385, 2438, 2991, 3180, 3657, 3988, 4140, 4770, 4876, 4985, 5982, 6095, 7314, 8973, 9540, 9970, 10971, 11964, 12190, 14628, 14955, 17946, 18285, 19940, 21942, 22931, 24380, 29910, 35892, 36570, 43884, 44865, 45862, 52841, 54855, 59820, 68793, 73140, 89730, 91724, 105682, 109710, 114655, 137586, 158523, 179460, 206379, 211364, 219420, 229310, 264205, 275172, 317046, 343965, 412758, 458620, 475569, 528410, 634092, 687930, 792615, 825516, 951138, 1031895, 1056820, 1215343, 1375860, 1585230, 1902276, 2063790, 2377845, 2430686, 3170460, 3646029, 4127580, 4755690, 4861372, 6076715, 7292058, 9511380, 10938087, 12153430, 14584116, 18230145, 21876174, 24306860, 36460290, 43752348, 54690435, 72920580, 109380870, 218761740]

約数ペア:

[(1, 218761740), (2, 109380870), (3, 72920580), (4, 54690435), (5, 43752348), (6, 36460290), (9, 24306860), (10, 21876174), (12, 18230145), (15, 14584116), (18, 12153430), (20, 10938087), (23, 9511380), (30, 7292058), (36, 6076715), (45, 4861372), (46, 4755690), (53, 4127580), (60, 3646029), (69, 3170460), (90, 2430686), (92, 2377845), (106, 2063790), (115, 1902276), (138, 1585230), (159, 1375860), (180, 1215343), (207, 1056820), (212, 1031895), (230, 951138), (265, 825516), (276, 792615), (318, 687930), (345, 634092), (414, 528410), (460, 475569), (477, 458620), (530, 412758), (636, 343965), (690, 317046), (795, 275172), (828, 264205), (954, 229310), (997, 219420), (1035, 211364), (1060, 206379), (1219, 179460), (1380, 158523), (1590, 137586), (1908, 114655), (1994, 109710), (2070, 105682), (2385, 91724), (2438, 89730), (2991, 73140), (3180, 68793), (3657, 59820), (3988, 54855), (4140, 52841), (4770, 45862), (4876, 44865), (4985, 43884), (5982, 36570), (6095, 35892), (7314, 29910), (8973, 24380), (9540, 22931), (9970, 21942), (10971, 19940), (11964, 18285), (12190, 17946), (14628, 14955)]