78448440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1531}}^1$

素因数の和:1613

約数の個数: 128

約数和(自身を含む): 273553920

約数和(自身を除く): 195105480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1531, 1708, 1830, 2135, 2440, 2562, 3062, 3416, 3660, 4270, 4593, 5124, 6124, 6405, 7320, 7655, 8540, 9186, 10248, 10717, 12248, 12810, 15310, 17080, 18372, 21434, 22965, 25620, 30620, 32151, 36744, 42868, 45930, 51240, 53585, 61240, 64302, 85736, 91860, 93391, 107170, 128604, 160755, 183720, 186782, 214340, 257208, 280173, 321510, 373564, 428680, 466955, 560346, 643020, 653737, 747128, 933910, 1120692, 1286040, 1307474, 1400865, 1867820, 1961211, 2241384, 2614948, 2801730, 3268685, 3735640, 3922422, 5229896, 5603460, 6537370, 7844844, 9806055, 11206920, 13074740, 15689688, 19612110, 26149480, 39224220, 78448440]

約数ペア:

[(1, 78448440), (2, 39224220), (3, 26149480), (4, 19612110), (5, 15689688), (6, 13074740), (7, 11206920), (8, 9806055), (10, 7844844), (12, 6537370), (14, 5603460), (15, 5229896), (20, 3922422), (21, 3735640), (24, 3268685), (28, 2801730), (30, 2614948), (35, 2241384), (40, 1961211), (42, 1867820), (56, 1400865), (60, 1307474), (61, 1286040), (70, 1120692), (84, 933910), (105, 747128), (120, 653737), (122, 643020), (140, 560346), (168, 466955), (183, 428680), (210, 373564), (244, 321510), (280, 280173), (305, 257208), (366, 214340), (420, 186782), (427, 183720), (488, 160755), (610, 128604), (732, 107170), (840, 93391), (854, 91860), (915, 85736), (1220, 64302), (1281, 61240), (1464, 53585), (1531, 51240), (1708, 45930), (1830, 42868), (2135, 36744), (2440, 32151), (2562, 30620), (3062, 25620), (3416, 22965), (3660, 21434), (4270, 18372), (4593, 17080), (5124, 15310), (6124, 12810), (6405, 12248), (7320, 10717), (7655, 10248), (8540, 9186)]