78338720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:462

約数の個数: 96

約数和(自身を含む): 198894528

約数和(自身を除く): 120555808

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 83, 85, 136, 160, 166, 170, 272, 332, 340, 347, 415, 544, 664, 680, 694, 830, 1328, 1360, 1388, 1411, 1660, 1735, 2656, 2720, 2776, 2822, 3320, 3470, 5552, 5644, 5899, 6640, 6940, 7055, 11104, 11288, 11798, 13280, 13880, 14110, 22576, 23596, 27760, 28220, 28801, 29495, 45152, 47192, 55520, 56440, 57602, 58990, 94384, 112880, 115204, 117980, 144005, 188768, 225760, 230408, 235960, 288010, 460816, 471920, 489617, 576020, 921632, 943840, 979234, 1152040, 1958468, 2304080, 2448085, 3916936, 4608160, 4896170, 7833872, 9792340, 15667744, 19584680, 39169360, 78338720]

約数ペア:

[(1, 78338720), (2, 39169360), (4, 19584680), (5, 15667744), (8, 9792340), (10, 7833872), (16, 4896170), (17, 4608160), (20, 3916936), (32, 2448085), (34, 2304080), (40, 1958468), (68, 1152040), (80, 979234), (83, 943840), (85, 921632), (136, 576020), (160, 489617), (166, 471920), (170, 460816), (272, 288010), (332, 235960), (340, 230408), (347, 225760), (415, 188768), (544, 144005), (664, 117980), (680, 115204), (694, 112880), (830, 94384), (1328, 58990), (1360, 57602), (1388, 56440), (1411, 55520), (1660, 47192), (1735, 45152), (2656, 29495), (2720, 28801), (2776, 28220), (2822, 27760), (3320, 23596), (3470, 22576), (5552, 14110), (5644, 13880), (5899, 13280), (6640, 11798), (6940, 11288), (7055, 11104)]