72465640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 187971840

約数和(自身を除く): 115506200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 73, 83, 92, 104, 115, 130, 146, 166, 184, 230, 260, 292, 299, 332, 365, 415, 460, 520, 584, 598, 664, 730, 830, 920, 949, 1079, 1196, 1460, 1495, 1660, 1679, 1898, 1909, 2158, 2392, 2920, 2990, 3320, 3358, 3796, 3818, 4316, 4745, 5395, 5980, 6059, 6716, 7592, 7636, 8395, 8632, 9490, 9545, 10790, 11960, 12118, 13432, 15272, 16790, 18980, 19090, 21580, 21827, 24236, 24817, 30295, 33580, 37960, 38180, 43160, 43654, 48472, 49634, 60590, 67160, 76360, 78767, 87308, 99268, 109135, 121180, 124085, 139357, 157534, 174616, 198536, 218270, 242360, 248170, 278714, 315068, 393835, 436540, 496340, 557428, 630136, 696785, 787670, 873080, 992680, 1114856, 1393570, 1575340, 1811641, 2787140, 3150680, 3623282, 5574280, 7246564, 9058205, 14493128, 18116410, 36232820, 72465640]

約数ペア:

[(1, 72465640), (2, 36232820), (4, 18116410), (5, 14493128), (8, 9058205), (10, 7246564), (13, 5574280), (20, 3623282), (23, 3150680), (26, 2787140), (40, 1811641), (46, 1575340), (52, 1393570), (65, 1114856), (73, 992680), (83, 873080), (92, 787670), (104, 696785), (115, 630136), (130, 557428), (146, 496340), (166, 436540), (184, 393835), (230, 315068), (260, 278714), (292, 248170), (299, 242360), (332, 218270), (365, 198536), (415, 174616), (460, 157534), (520, 139357), (584, 124085), (598, 121180), (664, 109135), (730, 99268), (830, 87308), (920, 78767), (949, 76360), (1079, 67160), (1196, 60590), (1460, 49634), (1495, 48472), (1660, 43654), (1679, 43160), (1898, 38180), (1909, 37960), (2158, 33580), (2392, 30295), (2920, 24817), (2990, 24236), (3320, 21827), (3358, 21580), (3796, 19090), (3818, 18980), (4316, 16790), (4745, 15272), (5395, 13432), (5980, 12118), (6059, 11960), (6716, 10790), (7592, 9545), (7636, 9490), (8395, 8632)]