255558420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:343

約数の個数: 216

約数和(自身を含む): 869686272

約数和(自身を除く): 614127852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 169, 180, 186, 195, 234, 260, 271, 279, 310, 338, 372, 390, 403, 465, 468, 507, 542, 558, 585, 620, 676, 780, 806, 813, 845, 930, 1014, 1084, 1116, 1170, 1209, 1355, 1395, 1521, 1612, 1626, 1690, 1860, 2015, 2028, 2340, 2418, 2439, 2535, 2710, 2790, 3042, 3252, 3380, 3523, 3627, 4030, 4065, 4836, 4878, 5070, 5239, 5420, 5580, 6045, 6084, 7046, 7254, 7605, 8060, 8130, 8401, 9756, 10140, 10478, 10569, 12090, 12195, 14092, 14508, 15210, 15717, 16260, 16802, 17615, 18135, 20956, 21138, 24180, 24390, 25203, 26195, 30420, 31434, 31707, 33604, 35230, 36270, 42005, 42276, 45799, 47151, 48780, 50406, 52390, 52845, 62868, 63414, 70460, 72540, 75609, 78585, 84010, 91598, 94302, 100812, 104780, 105690, 109213, 126015, 126828, 137397, 151218, 157170, 158535, 168020, 183196, 188604, 211380, 218426, 228995, 235755, 252030, 274794, 302436, 314340, 317070, 327639, 378045, 412191, 436852, 457990, 471510, 504060, 546065, 549588, 634140, 655278, 686985, 756090, 824382, 915980, 943020, 982917, 1092130, 1310556, 1373970, 1419769, 1512180, 1638195, 1648764, 1965834, 2060955, 2184260, 2747940, 2839538, 3276390, 3931668, 4121910, 4259307, 4914585, 5679076, 6552780, 7098845, 8243820, 8518614, 9829170, 12777921, 14197690, 17037228, 19658340, 21296535, 25555842, 28395380, 42593070, 51111684, 63889605, 85186140, 127779210, 255558420]

約数ペア:

[(1, 255558420), (2, 127779210), (3, 85186140), (4, 63889605), (5, 51111684), (6, 42593070), (9, 28395380), (10, 25555842), (12, 21296535), (13, 19658340), (15, 17037228), (18, 14197690), (20, 12777921), (26, 9829170), (30, 8518614), (31, 8243820), (36, 7098845), (39, 6552780), (45, 5679076), (52, 4914585), (60, 4259307), (62, 4121910), (65, 3931668), (78, 3276390), (90, 2839538), (93, 2747940), (117, 2184260), (124, 2060955), (130, 1965834), (155, 1648764), (156, 1638195), (169, 1512180), (180, 1419769), (186, 1373970), (195, 1310556), (234, 1092130), (260, 982917), (271, 943020), (279, 915980), (310, 824382), (338, 756090), (372, 686985), (390, 655278), (403, 634140), (465, 549588), (468, 546065), (507, 504060), (542, 471510), (558, 457990), (585, 436852), (620, 412191), (676, 378045), (780, 327639), (806, 317070), (813, 314340), (845, 302436), (930, 274794), (1014, 252030), (1084, 235755), (1116, 228995), (1170, 218426), (1209, 211380), (1355, 188604), (1395, 183196), (1521, 168020), (1612, 158535), (1626, 157170), (1690, 151218), (1860, 137397), (2015, 126828), (2028, 126015), (2340, 109213), (2418, 105690), (2439, 104780), (2535, 100812), (2710, 94302), (2790, 91598), (3042, 84010), (3252, 78585), (3380, 75609), (3523, 72540), (3627, 70460), (4030, 63414), (4065, 62868), (4836, 52845), (4878, 52390), (5070, 50406), (5239, 48780), (5420, 47151), (5580, 45799), (6045, 42276), (6084, 42005), (7046, 36270), (7254, 35230), (7605, 33604), (8060, 31707), (8130, 31434), (8401, 30420), (9756, 26195), (10140, 25203), (10478, 24390), (10569, 24180), (12090, 21138), (12195, 20956), (14092, 18135), (14508, 17615), (15210, 16802), (15717, 16260)]