72019920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:449

約数の個数: 160

約数和(自身を含む): 257697792

約数和(自身を除く): 185677872

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 163, 168, 210, 240, 263, 280, 326, 336, 420, 489, 526, 560, 652, 789, 815, 840, 978, 1052, 1141, 1304, 1315, 1578, 1630, 1680, 1841, 1956, 2104, 2282, 2445, 2608, 2630, 3156, 3260, 3423, 3682, 3912, 3945, 4208, 4564, 4890, 5260, 5523, 5705, 6312, 6520, 6846, 7364, 7824, 7890, 9128, 9205, 9780, 10520, 11046, 11410, 12624, 13040, 13692, 14728, 15780, 17115, 18256, 18410, 19560, 21040, 22092, 22820, 27384, 27615, 29456, 31560, 34230, 36820, 39120, 42869, 44184, 45640, 54768, 55230, 63120, 68460, 73640, 85738, 88368, 91280, 110460, 128607, 136920, 147280, 171476, 214345, 220920, 257214, 273840, 300083, 342952, 428690, 441840, 514428, 600166, 643035, 685904, 857380, 900249, 1028856, 1200332, 1286070, 1500415, 1714760, 1800498, 2057712, 2400664, 2572140, 3000830, 3429520, 3600996, 4501245, 4801328, 5144280, 6001660, 7201992, 9002490, 10288560, 12003320, 14403984, 18004980, 24006640, 36009960, 72019920]

約数ペア:

[(1, 72019920), (2, 36009960), (3, 24006640), (4, 18004980), (5, 14403984), (6, 12003320), (7, 10288560), (8, 9002490), (10, 7201992), (12, 6001660), (14, 5144280), (15, 4801328), (16, 4501245), (20, 3600996), (21, 3429520), (24, 3000830), (28, 2572140), (30, 2400664), (35, 2057712), (40, 1800498), (42, 1714760), (48, 1500415), (56, 1286070), (60, 1200332), (70, 1028856), (80, 900249), (84, 857380), (105, 685904), (112, 643035), (120, 600166), (140, 514428), (163, 441840), (168, 428690), (210, 342952), (240, 300083), (263, 273840), (280, 257214), (326, 220920), (336, 214345), (420, 171476), (489, 147280), (526, 136920), (560, 128607), (652, 110460), (789, 91280), (815, 88368), (840, 85738), (978, 73640), (1052, 68460), (1141, 63120), (1304, 55230), (1315, 54768), (1578, 45640), (1630, 44184), (1680, 42869), (1841, 39120), (1956, 36820), (2104, 34230), (2282, 31560), (2445, 29456), (2608, 27615), (2630, 27384), (3156, 22820), (3260, 22092), (3423, 21040), (3682, 19560), (3912, 18410), (3945, 18256), (4208, 17115), (4564, 15780), (4890, 14728), (5260, 13692), (5523, 13040), (5705, 12624), (6312, 11410), (6520, 11046), (6846, 10520), (7364, 9780), (7824, 9205), (7890, 9128)]