72432780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 239936256

約数和(自身を除く): 167503476

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 347, 355, 420, 426, 490, 497, 588, 694, 710, 735, 852, 980, 994, 1041, 1065, 1388, 1420, 1470, 1491, 1735, 1988, 2082, 2130, 2429, 2485, 2940, 2982, 3470, 3479, 4164, 4260, 4858, 4970, 5205, 5964, 6940, 6958, 7287, 7455, 9716, 9940, 10410, 10437, 12145, 13916, 14574, 14910, 17003, 17395, 20820, 20874, 24290, 24637, 29148, 29820, 34006, 34790, 36435, 41748, 48580, 49274, 51009, 52185, 68012, 69580, 72870, 73911, 85015, 98548, 102018, 104370, 123185, 145740, 147822, 170030, 172459, 204036, 208740, 246370, 255045, 295644, 340060, 344918, 369555, 492740, 510090, 517377, 689836, 739110, 862295, 1020180, 1034754, 1207213, 1478220, 1724590, 2069508, 2414426, 2586885, 3449180, 3621639, 4828852, 5173770, 6036065, 7243278, 10347540, 12072130, 14486556, 18108195, 24144260, 36216390, 72432780]

約数ペア:

[(1, 72432780), (2, 36216390), (3, 24144260), (4, 18108195), (5, 14486556), (6, 12072130), (7, 10347540), (10, 7243278), (12, 6036065), (14, 5173770), (15, 4828852), (20, 3621639), (21, 3449180), (28, 2586885), (30, 2414426), (35, 2069508), (42, 1724590), (49, 1478220), (60, 1207213), (70, 1034754), (71, 1020180), (84, 862295), (98, 739110), (105, 689836), (140, 517377), (142, 510090), (147, 492740), (196, 369555), (210, 344918), (213, 340060), (245, 295644), (284, 255045), (294, 246370), (347, 208740), (355, 204036), (420, 172459), (426, 170030), (490, 147822), (497, 145740), (588, 123185), (694, 104370), (710, 102018), (735, 98548), (852, 85015), (980, 73911), (994, 72870), (1041, 69580), (1065, 68012), (1388, 52185), (1420, 51009), (1470, 49274), (1491, 48580), (1735, 41748), (1988, 36435), (2082, 34790), (2130, 34006), (2429, 29820), (2485, 29148), (2940, 24637), (2982, 24290), (3470, 20874), (3479, 20820), (4164, 17395), (4260, 17003), (4858, 14910), (4970, 14574), (5205, 13916), (5964, 12145), (6940, 10437), (6958, 10410), (7287, 9940), (7455, 9716)]