72478980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 288

約数和(自身を含む): 272982528

約数和(自身を除く): 200503548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 41, 42, 45, 46, 60, 61, 63, 69, 70, 82, 84, 90, 92, 105, 115, 122, 123, 126, 138, 140, 161, 164, 180, 183, 205, 207, 210, 230, 244, 246, 252, 276, 287, 305, 315, 322, 345, 366, 369, 410, 414, 420, 427, 460, 483, 492, 549, 574, 610, 615, 630, 644, 690, 732, 738, 805, 820, 828, 854, 861, 915, 943, 966, 1035, 1098, 1148, 1220, 1230, 1260, 1281, 1380, 1403, 1435, 1449, 1476, 1610, 1708, 1722, 1830, 1845, 1886, 1932, 2070, 2135, 2196, 2415, 2460, 2501, 2562, 2583, 2745, 2806, 2829, 2870, 2898, 3220, 3444, 3660, 3690, 3772, 3843, 4140, 4209, 4270, 4305, 4715, 4830, 5002, 5124, 5166, 5490, 5612, 5658, 5740, 5796, 6405, 6601, 7015, 7245, 7380, 7503, 7686, 8418, 8487, 8540, 8610, 9430, 9660, 9821, 10004, 10332, 10980, 11316, 12505, 12627, 12810, 12915, 13202, 14030, 14145, 14490, 15006, 15372, 16836, 16974, 17220, 17507, 18860, 19215, 19642, 19803, 21045, 22509, 25010, 25254, 25620, 25830, 26404, 28060, 28290, 28980, 29463, 30012, 33005, 33948, 35014, 37515, 38430, 39284, 39606, 42090, 42435, 45018, 49105, 50020, 50508, 51660, 52521, 56580, 57523, 58926, 59409, 63135, 66010, 70028, 75030, 76860, 79212, 84180, 84870, 87535, 88389, 90036, 98210, 99015, 105042, 112545, 115046, 117852, 118818, 126270, 132020, 147315, 150060, 157563, 169740, 172569, 175070, 176778, 196420, 198030, 210084, 225090, 230092, 237636, 252540, 262605, 287615, 294630, 297045, 315126, 345138, 350140, 353556, 396060, 402661, 441945, 450180, 517707, 525210, 575230, 589260, 594090, 630252, 690276, 787815, 805322, 862845, 883890, 1035414, 1050420, 1150460, 1188180, 1207983, 1575630, 1610644, 1725690, 1767780, 2013305, 2070828, 2415966, 2588535, 3151260, 3451380, 3623949, 4026610, 4831932, 5177070, 6039915, 7247898, 8053220, 10354140, 12079830, 14495796, 18119745, 24159660, 36239490, 72478980]

約数ペア:

[(1, 72478980), (2, 36239490), (3, 24159660), (4, 18119745), (5, 14495796), (6, 12079830), (7, 10354140), (9, 8053220), (10, 7247898), (12, 6039915), (14, 5177070), (15, 4831932), (18, 4026610), (20, 3623949), (21, 3451380), (23, 3151260), (28, 2588535), (30, 2415966), (35, 2070828), (36, 2013305), (41, 1767780), (42, 1725690), (45, 1610644), (46, 1575630), (60, 1207983), (61, 1188180), (63, 1150460), (69, 1050420), (70, 1035414), (82, 883890), (84, 862845), (90, 805322), (92, 787815), (105, 690276), (115, 630252), (122, 594090), (123, 589260), (126, 575230), (138, 525210), (140, 517707), (161, 450180), (164, 441945), (180, 402661), (183, 396060), (205, 353556), (207, 350140), (210, 345138), (230, 315126), (244, 297045), (246, 294630), (252, 287615), (276, 262605), (287, 252540), (305, 237636), (315, 230092), (322, 225090), (345, 210084), (366, 198030), (369, 196420), (410, 176778), (414, 175070), (420, 172569), (427, 169740), (460, 157563), (483, 150060), (492, 147315), (549, 132020), (574, 126270), (610, 118818), (615, 117852), (630, 115046), (644, 112545), (690, 105042), (732, 99015), (738, 98210), (805, 90036), (820, 88389), (828, 87535), (854, 84870), (861, 84180), (915, 79212), (943, 76860), (966, 75030), (1035, 70028), (1098, 66010), (1148, 63135), (1220, 59409), (1230, 58926), (1260, 57523), (1281, 56580), (1380, 52521), (1403, 51660), (1435, 50508), (1449, 50020), (1476, 49105), (1610, 45018), (1708, 42435), (1722, 42090), (1830, 39606), (1845, 39284), (1886, 38430), (1932, 37515), (2070, 35014), (2135, 33948), (2196, 33005), (2415, 30012), (2460, 29463), (2501, 28980), (2562, 28290), (2583, 28060), (2745, 26404), (2806, 25830), (2829, 25620), (2870, 25254), (2898, 25010), (3220, 22509), (3444, 21045), (3660, 19803), (3690, 19642), (3772, 19215), (3843, 18860), (4140, 17507), (4209, 17220), (4270, 16974), (4305, 16836), (4715, 15372), (4830, 15006), (5002, 14490), (5124, 14145), (5166, 14030), (5490, 13202), (5612, 12915), (5658, 12810), (5740, 12627), (5796, 12505), (6405, 11316), (6601, 10980), (7015, 10332), (7245, 10004), (7380, 9821), (7503, 9660), (7686, 9430), (8418, 8610), (8487, 8540)]