81001760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2333}}^1$

素因数の和:2386

約数の個数: 96

約数和(自身を含む): 225856512

約数和(自身を除く): 144854752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2333, 2480, 3472, 4340, 4666, 4960, 6944, 8680, 9332, 11665, 16331, 17360, 18664, 23330, 32662, 34720, 37328, 46660, 65324, 72323, 74656, 81655, 93320, 130648, 144646, 163310, 186640, 261296, 289292, 326620, 361615, 373280, 506261, 522592, 578584, 653240, 723230, 1012522, 1157168, 1306480, 1446460, 2025044, 2314336, 2531305, 2612960, 2892920, 4050088, 5062610, 5785840, 8100176, 10125220, 11571680, 16200352, 20250440, 40500880, 81001760]

約数ペア:

[(1, 81001760), (2, 40500880), (4, 20250440), (5, 16200352), (7, 11571680), (8, 10125220), (10, 8100176), (14, 5785840), (16, 5062610), (20, 4050088), (28, 2892920), (31, 2612960), (32, 2531305), (35, 2314336), (40, 2025044), (56, 1446460), (62, 1306480), (70, 1157168), (80, 1012522), (112, 723230), (124, 653240), (140, 578584), (155, 522592), (160, 506261), (217, 373280), (224, 361615), (248, 326620), (280, 289292), (310, 261296), (434, 186640), (496, 163310), (560, 144646), (620, 130648), (868, 93320), (992, 81655), (1085, 74656), (1120, 72323), (1240, 65324), (1736, 46660), (2170, 37328), (2333, 34720), (2480, 32662), (3472, 23330), (4340, 18664), (4666, 17360), (4960, 16331), (6944, 11665), (8680, 9332)]