145000020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:446

約数の個数: 192

約数和(自身を含む): 482549760

約数和(自身を除く): 337549740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 31, 33, 38, 44, 55, 57, 60, 62, 66, 76, 93, 95, 110, 114, 124, 132, 155, 165, 186, 190, 209, 220, 228, 285, 310, 330, 341, 372, 373, 380, 418, 465, 570, 589, 620, 627, 660, 682, 746, 836, 930, 1023, 1045, 1119, 1140, 1178, 1254, 1364, 1492, 1705, 1767, 1860, 1865, 2046, 2090, 2238, 2356, 2508, 2945, 3135, 3410, 3534, 3730, 4092, 4103, 4180, 4476, 5115, 5595, 5890, 6270, 6479, 6820, 7068, 7087, 7460, 8206, 8835, 10230, 11190, 11563, 11780, 12309, 12540, 12958, 14174, 16412, 17670, 19437, 20460, 20515, 21261, 22380, 23126, 24618, 25916, 28348, 32395, 34689, 35340, 35435, 38874, 41030, 42522, 46252, 49236, 57815, 61545, 64790, 69378, 70870, 77748, 77957, 82060, 85044, 97185, 106305, 115630, 123090, 127193, 129580, 138756, 141740, 155914, 173445, 194370, 212610, 219697, 231260, 233871, 246180, 254386, 311828, 346890, 381579, 388740, 389785, 425220, 439394, 467742, 508772, 635965, 659091, 693780, 763158, 779570, 878788, 935484, 1098485, 1169355, 1271930, 1318182, 1526316, 1559140, 1907895, 2196970, 2338710, 2416667, 2543860, 2636364, 3295455, 3815790, 4393940, 4677420, 4833334, 6590910, 7250001, 7631580, 9666668, 12083335, 13181820, 14500002, 24166670, 29000004, 36250005, 48333340, 72500010, 145000020]

約数ペア:

[(1, 145000020), (2, 72500010), (3, 48333340), (4, 36250005), (5, 29000004), (6, 24166670), (10, 14500002), (11, 13181820), (12, 12083335), (15, 9666668), (19, 7631580), (20, 7250001), (22, 6590910), (30, 4833334), (31, 4677420), (33, 4393940), (38, 3815790), (44, 3295455), (55, 2636364), (57, 2543860), (60, 2416667), (62, 2338710), (66, 2196970), (76, 1907895), (93, 1559140), (95, 1526316), (110, 1318182), (114, 1271930), (124, 1169355), (132, 1098485), (155, 935484), (165, 878788), (186, 779570), (190, 763158), (209, 693780), (220, 659091), (228, 635965), (285, 508772), (310, 467742), (330, 439394), (341, 425220), (372, 389785), (373, 388740), (380, 381579), (418, 346890), (465, 311828), (570, 254386), (589, 246180), (620, 233871), (627, 231260), (660, 219697), (682, 212610), (746, 194370), (836, 173445), (930, 155914), (1023, 141740), (1045, 138756), (1119, 129580), (1140, 127193), (1178, 123090), (1254, 115630), (1364, 106305), (1492, 97185), (1705, 85044), (1767, 82060), (1860, 77957), (1865, 77748), (2046, 70870), (2090, 69378), (2238, 64790), (2356, 61545), (2508, 57815), (2945, 49236), (3135, 46252), (3410, 42522), (3534, 41030), (3730, 38874), (4092, 35435), (4103, 35340), (4180, 34689), (4476, 32395), (5115, 28348), (5595, 25916), (5890, 24618), (6270, 23126), (6479, 22380), (6820, 21261), (7068, 20515), (7087, 20460), (7460, 19437), (8206, 17670), (8835, 16412), (10230, 14174), (11190, 12958), (11563, 12540), (11780, 12309)]