218344620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 674769312

約数和(自身を除く): 456424692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 61, 65, 78, 122, 130, 156, 169, 183, 195, 244, 260, 305, 338, 353, 366, 390, 507, 610, 676, 706, 732, 780, 793, 845, 915, 1014, 1059, 1220, 1412, 1586, 1690, 1765, 1830, 2028, 2118, 2379, 2535, 3172, 3380, 3530, 3660, 3965, 4236, 4589, 4758, 5070, 5295, 7060, 7930, 9178, 9516, 10140, 10309, 10590, 11895, 13767, 15860, 18356, 20618, 21180, 21533, 22945, 23790, 27534, 30927, 41236, 43066, 45890, 47580, 51545, 55068, 59657, 61854, 64599, 68835, 86132, 91780, 103090, 107665, 119314, 123708, 129198, 137670, 154635, 178971, 206180, 215330, 238628, 258396, 275340, 279929, 298285, 309270, 322995, 357942, 430660, 559858, 596570, 618540, 645990, 715884, 839787, 894855, 1119716, 1193140, 1291980, 1399645, 1679574, 1789710, 2799290, 3359148, 3579420, 3639077, 4198935, 5598580, 7278154, 8397870, 10917231, 14556308, 16795740, 18195385, 21834462, 36390770, 43668924, 54586155, 72781540, 109172310, 218344620]

約数ペア:

[(1, 218344620), (2, 109172310), (3, 72781540), (4, 54586155), (5, 43668924), (6, 36390770), (10, 21834462), (12, 18195385), (13, 16795740), (15, 14556308), (20, 10917231), (26, 8397870), (30, 7278154), (39, 5598580), (52, 4198935), (60, 3639077), (61, 3579420), (65, 3359148), (78, 2799290), (122, 1789710), (130, 1679574), (156, 1399645), (169, 1291980), (183, 1193140), (195, 1119716), (244, 894855), (260, 839787), (305, 715884), (338, 645990), (353, 618540), (366, 596570), (390, 559858), (507, 430660), (610, 357942), (676, 322995), (706, 309270), (732, 298285), (780, 279929), (793, 275340), (845, 258396), (915, 238628), (1014, 215330), (1059, 206180), (1220, 178971), (1412, 154635), (1586, 137670), (1690, 129198), (1765, 123708), (1830, 119314), (2028, 107665), (2118, 103090), (2379, 91780), (2535, 86132), (3172, 68835), (3380, 64599), (3530, 61854), (3660, 59657), (3965, 55068), (4236, 51545), (4589, 47580), (4758, 45890), (5070, 43066), (5295, 41236), (7060, 30927), (7930, 27534), (9178, 23790), (9516, 22945), (10140, 21533), (10309, 21180), (10590, 20618), (11895, 18356), (13767, 15860)]