1681401960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{35117}}^1$

素因数の和:35160

約数の個数: 192

約数和(自身を含む): 6574089600

約数和(自身を除く): 4892687640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1330, 1368, 1596, 1710, 1995, 2280, 2394, 2520, 2660, 3192, 3420, 3990, 4788, 5320, 5985, 6840, 7980, 9576, 11970, 15960, 23940, 35117, 47880, 70234, 105351, 140468, 175585, 210702, 245819, 280936, 316053, 351170, 421404, 491638, 526755, 632106, 667223, 702340, 737457, 842808, 983276, 1053510, 1229095, 1264212, 1334446, 1404680, 1474914, 1580265, 1966552, 2001669, 2107020, 2212371, 2458190, 2528424, 2668892, 2949828, 3160530, 3336115, 3687285, 4003338, 4214040, 4424742, 4670561, 4916380, 5337784, 5899656, 6005007, 6321060, 6672230, 7374570, 8006676, 8849484, 9341122, 9832760, 10008345, 11061855, 12010014, 12642120, 13344460, 14011683, 14749140, 16013352, 17698968, 18682244, 20016690, 22123710, 23352805, 24020028, 26688920, 28023366, 29498280, 30025035, 37364488, 40033380, 42035049, 44247420, 46705610, 48040056, 56046732, 60050070, 70058415, 80066760, 84070098, 88494840, 93411220, 112093464, 120100140, 140116830, 168140196, 186822440, 210175245, 240200280, 280233660, 336280392, 420350490, 560467320, 840700980, 1681401960]

約数ペア:

[(1, 1681401960), (2, 840700980), (3, 560467320), (4, 420350490), (5, 336280392), (6, 280233660), (7, 240200280), (8, 210175245), (9, 186822440), (10, 168140196), (12, 140116830), (14, 120100140), (15, 112093464), (18, 93411220), (19, 88494840), (20, 84070098), (21, 80066760), (24, 70058415), (28, 60050070), (30, 56046732), (35, 48040056), (36, 46705610), (38, 44247420), (40, 42035049), (42, 40033380), (45, 37364488), (56, 30025035), (57, 29498280), (60, 28023366), (63, 26688920), (70, 24020028), (72, 23352805), (76, 22123710), (84, 20016690), (90, 18682244), (95, 17698968), (105, 16013352), (114, 14749140), (120, 14011683), (126, 13344460), (133, 12642120), (140, 12010014), (152, 11061855), (168, 10008345), (171, 9832760), (180, 9341122), (190, 8849484), (210, 8006676), (228, 7374570), (252, 6672230), (266, 6321060), (280, 6005007), (285, 5899656), (315, 5337784), (342, 4916380), (360, 4670561), (380, 4424742), (399, 4214040), (420, 4003338), (456, 3687285), (504, 3336115), (532, 3160530), (570, 2949828), (630, 2668892), (665, 2528424), (684, 2458190), (760, 2212371), (798, 2107020), (840, 2001669), (855, 1966552), (1064, 1580265), (1140, 1474914), (1197, 1404680), (1260, 1334446), (1330, 1264212), (1368, 1229095), (1596, 1053510), (1710, 983276), (1995, 842808), (2280, 737457), (2394, 702340), (2520, 667223), (2660, 632106), (3192, 526755), (3420, 491638), (3990, 421404), (4788, 351170), (5320, 316053), (5985, 280936), (6840, 245819), (7980, 210702), (9576, 175585), (11970, 140468), (15960, 105351), (23940, 70234), (35117, 47880)]