81738300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{38923}}^1$

素因数の和:38947

約数の個数: 72

約数和(自身を含む): 270288256

約数和(自身を除く): 188549956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 38923, 77846, 116769, 155692, 194615, 233538, 272461, 389230, 467076, 544922, 583845, 778460, 817383, 973075, 1089844, 1167690, 1362305, 1634766, 1946150, 2335380, 2724610, 2919225, 3269532, 3892300, 4086915, 5449220, 5838450, 6811525, 8173830, 11676900, 13623050, 16347660, 20434575, 27246100, 40869150, 81738300]

約数ペア:

[(1, 81738300), (2, 40869150), (3, 27246100), (4, 20434575), (5, 16347660), (6, 13623050), (7, 11676900), (10, 8173830), (12, 6811525), (14, 5838450), (15, 5449220), (20, 4086915), (21, 3892300), (25, 3269532), (28, 2919225), (30, 2724610), (35, 2335380), (42, 1946150), (50, 1634766), (60, 1362305), (70, 1167690), (75, 1089844), (84, 973075), (100, 817383), (105, 778460), (140, 583845), (150, 544922), (175, 467076), (210, 389230), (300, 272461), (350, 233538), (420, 194615), (525, 155692), (700, 116769), (1050, 77846), (2100, 38923)]