19627440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1669}}^1$

素因数の和:1699

約数の個数: 120

約数和(自身を含む): 70821360

約数和(自身を除く): 51193920

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, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1669, 1680, 1960, 2352, 2940, 3338, 3920, 5007, 5880, 6676, 8345, 10014, 11683, 11760, 13352, 16690, 20028, 23366, 25035, 26704, 33380, 35049, 40056, 46732, 50070, 58415, 66760, 70098, 80112, 81781, 93464, 100140, 116830, 133520, 140196, 163562, 175245, 186928, 200280, 233660, 245343, 280392, 327124, 350490, 400560, 408905, 467320, 490686, 560784, 654248, 700980, 817810, 934640, 981372, 1226715, 1308496, 1401960, 1635620, 1962744, 2453430, 2803920, 3271240, 3925488, 4906860, 6542480, 9813720, 19627440]

約数ペア:

[(1, 19627440), (2, 9813720), (3, 6542480), (4, 4906860), (5, 3925488), (6, 3271240), (7, 2803920), (8, 2453430), (10, 1962744), (12, 1635620), (14, 1401960), (15, 1308496), (16, 1226715), (20, 981372), (21, 934640), (24, 817810), (28, 700980), (30, 654248), (35, 560784), (40, 490686), (42, 467320), (48, 408905), (49, 400560), (56, 350490), (60, 327124), (70, 280392), (80, 245343), (84, 233660), (98, 200280), (105, 186928), (112, 175245), (120, 163562), (140, 140196), (147, 133520), (168, 116830), (196, 100140), (210, 93464), (240, 81781), (245, 80112), (280, 70098), (294, 66760), (336, 58415), (392, 50070), (420, 46732), (490, 40056), (560, 35049), (588, 33380), (735, 26704), (784, 25035), (840, 23366), (980, 20028), (1176, 16690), (1470, 13352), (1669, 11760), (1680, 11683), (1960, 10014), (2352, 8345), (2940, 6676), (3338, 5880), (3920, 5007)]