620787240

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:439

約数の個数: 224

約数和(自身を含む): 2134629000

約数和(自身を除く): 1513841760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 81, 90, 108, 120, 122, 135, 162, 180, 183, 216, 243, 244, 270, 305, 324, 349, 360, 366, 405, 486, 488, 540, 549, 610, 648, 698, 729, 732, 810, 915, 972, 1047, 1080, 1098, 1215, 1220, 1396, 1458, 1464, 1620, 1647, 1745, 1830, 1944, 2094, 2196, 2430, 2440, 2745, 2792, 2916, 3141, 3240, 3294, 3490, 3645, 3660, 4188, 4392, 4860, 4941, 5235, 5490, 5832, 6282, 6588, 6980, 7290, 7320, 8235, 8376, 9423, 9720, 9882, 10470, 10980, 12564, 13176, 13960, 14580, 14823, 15705, 16470, 18846, 19764, 20940, 21289, 21960, 24705, 25128, 28269, 29160, 29646, 31410, 32940, 37692, 39528, 41880, 42578, 44469, 47115, 49410, 56538, 59292, 62820, 63867, 65880, 74115, 75384, 84807, 85156, 88938, 94230, 98820, 106445, 113076, 118584, 125640, 127734, 141345, 148230, 169614, 170312, 177876, 188460, 191601, 197640, 212890, 222345, 226152, 254421, 255468, 282690, 296460, 319335, 339228, 355752, 376920, 383202, 424035, 425780, 444690, 508842, 510936, 565380, 574803, 592920, 638670, 678456, 766404, 848070, 851560, 889380, 958005, 1017684, 1130760, 1149606, 1272105, 1277340, 1532808, 1696140, 1724409, 1778760, 1916010, 2035368, 2299212, 2544210, 2554680, 2874015, 3392280, 3448818, 3832020, 4598424, 5088420, 5173227, 5748030, 6897636, 7664040, 8622045, 10176840, 10346454, 11496060, 13795272, 15519681, 17244090, 20692908, 22992120, 25866135, 31039362, 34488180, 41385816, 51732270, 62078724, 68976360, 77598405, 103464540, 124157448, 155196810, 206929080, 310393620, 620787240]

約数ペア:

[(1, 620787240), (2, 310393620), (3, 206929080), (4, 155196810), (5, 124157448), (6, 103464540), (8, 77598405), (9, 68976360), (10, 62078724), (12, 51732270), (15, 41385816), (18, 34488180), (20, 31039362), (24, 25866135), (27, 22992120), (30, 20692908), (36, 17244090), (40, 15519681), (45, 13795272), (54, 11496060), (60, 10346454), (61, 10176840), (72, 8622045), (81, 7664040), (90, 6897636), (108, 5748030), (120, 5173227), (122, 5088420), (135, 4598424), (162, 3832020), (180, 3448818), (183, 3392280), (216, 2874015), (243, 2554680), (244, 2544210), (270, 2299212), (305, 2035368), (324, 1916010), (349, 1778760), (360, 1724409), (366, 1696140), (405, 1532808), (486, 1277340), (488, 1272105), (540, 1149606), (549, 1130760), (610, 1017684), (648, 958005), (698, 889380), (729, 851560), (732, 848070), (810, 766404), (915, 678456), (972, 638670), (1047, 592920), (1080, 574803), (1098, 565380), (1215, 510936), (1220, 508842), (1396, 444690), (1458, 425780), (1464, 424035), (1620, 383202), (1647, 376920), (1745, 355752), (1830, 339228), (1944, 319335), (2094, 296460), (2196, 282690), (2430, 255468), (2440, 254421), (2745, 226152), (2792, 222345), (2916, 212890), (3141, 197640), (3240, 191601), (3294, 188460), (3490, 177876), (3645, 170312), (3660, 169614), (4188, 148230), (4392, 141345), (4860, 127734), (4941, 125640), (5235, 118584), (5490, 113076), (5832, 106445), (6282, 98820), (6588, 94230), (6980, 88938), (7290, 85156), (7320, 84807), (8235, 75384), (8376, 74115), (9423, 65880), (9720, 63867), (9882, 62820), (10470, 59292), (10980, 56538), (12564, 49410), (13176, 47115), (13960, 44469), (14580, 42578), (14823, 41880), (15705, 39528), (16470, 37692), (18846, 32940), (19764, 31410), (20940, 29646), (21289, 29160), (21960, 28269), (24705, 25128)]