2018977120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{929}}^1$

素因数の和:1025

約数の個数: 144

約数和(自身を含む): 5180293440

約数和(自身を除く): 3161316320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 68, 80, 85, 94, 136, 160, 170, 188, 235, 272, 289, 340, 376, 470, 544, 578, 680, 752, 799, 929, 940, 1156, 1360, 1445, 1504, 1598, 1858, 1880, 2312, 2720, 2890, 3196, 3716, 3760, 3995, 4624, 4645, 5780, 6392, 7432, 7520, 7990, 9248, 9290, 11560, 12784, 13583, 14864, 15793, 15980, 18580, 23120, 25568, 27166, 29728, 31586, 31960, 37160, 43663, 46240, 54332, 63172, 63920, 67915, 74320, 78965, 87326, 108664, 126344, 127840, 135830, 148640, 157930, 174652, 217328, 218315, 252688, 268481, 271660, 315860, 349304, 434656, 436630, 505376, 536962, 543320, 631720, 698608, 742271, 873260, 1073924, 1086640, 1263440, 1342405, 1397216, 1484542, 1746520, 2147848, 2173280, 2526880, 2684810, 2969084, 3493040, 3711355, 4295696, 5369620, 5938168, 6986080, 7422710, 8591392, 10739240, 11876336, 12618607, 14845420, 21478480, 23752672, 25237214, 29690840, 42956960, 50474428, 59381680, 63093035, 100948856, 118763360, 126186070, 201897712, 252372140, 403795424, 504744280, 1009488560, 2018977120]

約数ペア:

[(1, 2018977120), (2, 1009488560), (4, 504744280), (5, 403795424), (8, 252372140), (10, 201897712), (16, 126186070), (17, 118763360), (20, 100948856), (32, 63093035), (34, 59381680), (40, 50474428), (47, 42956960), (68, 29690840), (80, 25237214), (85, 23752672), (94, 21478480), (136, 14845420), (160, 12618607), (170, 11876336), (188, 10739240), (235, 8591392), (272, 7422710), (289, 6986080), (340, 5938168), (376, 5369620), (470, 4295696), (544, 3711355), (578, 3493040), (680, 2969084), (752, 2684810), (799, 2526880), (929, 2173280), (940, 2147848), (1156, 1746520), (1360, 1484542), (1445, 1397216), (1504, 1342405), (1598, 1263440), (1858, 1086640), (1880, 1073924), (2312, 873260), (2720, 742271), (2890, 698608), (3196, 631720), (3716, 543320), (3760, 536962), (3995, 505376), (4624, 436630), (4645, 434656), (5780, 349304), (6392, 315860), (7432, 271660), (7520, 268481), (7990, 252688), (9248, 218315), (9290, 217328), (11560, 174652), (12784, 157930), (13583, 148640), (14864, 135830), (15793, 127840), (15980, 126344), (18580, 108664), (23120, 87326), (25568, 78965), (27166, 74320), (29728, 67915), (31586, 63920), (31960, 63172), (37160, 54332), (43663, 46240)]