39960480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{1699}}^1$

素因数の和:1731

約数の個数: 144

約数和(自身を含む): 146512800

約数和(自身を除く): 106552320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1699, 1960, 2352, 2940, 3360, 3398, 3920, 4704, 5097, 5880, 6796, 7840, 8495, 10194, 11760, 11893, 13592, 16990, 20388, 23520, 23786, 25485, 27184, 33980, 35679, 40776, 47572, 50970, 54368, 59465, 67960, 71358, 81552, 83251, 95144, 101940, 118930, 135920, 142716, 163104, 166502, 178395, 190288, 203880, 237860, 249753, 271840, 285432, 333004, 356790, 380576, 407760, 416255, 475720, 499506, 570864, 666008, 713580, 815520, 832510, 951440, 999012, 1141728, 1248765, 1332016, 1427160, 1665020, 1902880, 1998024, 2497530, 2664032, 2854320, 3330040, 3996048, 4995060, 5708640, 6660080, 7992096, 9990120, 13320160, 19980240, 39960480]

約数ペア:

[(1, 39960480), (2, 19980240), (3, 13320160), (4, 9990120), (5, 7992096), (6, 6660080), (7, 5708640), (8, 4995060), (10, 3996048), (12, 3330040), (14, 2854320), (15, 2664032), (16, 2497530), (20, 1998024), (21, 1902880), (24, 1665020), (28, 1427160), (30, 1332016), (32, 1248765), (35, 1141728), (40, 999012), (42, 951440), (48, 832510), (49, 815520), (56, 713580), (60, 666008), (70, 570864), (80, 499506), (84, 475720), (96, 416255), (98, 407760), (105, 380576), (112, 356790), (120, 333004), (140, 285432), (147, 271840), (160, 249753), (168, 237860), (196, 203880), (210, 190288), (224, 178395), (240, 166502), (245, 163104), (280, 142716), (294, 135920), (336, 118930), (392, 101940), (420, 95144), (480, 83251), (490, 81552), (560, 71358), (588, 67960), (672, 59465), (735, 54368), (784, 50970), (840, 47572), (980, 40776), (1120, 35679), (1176, 33980), (1470, 27184), (1568, 25485), (1680, 23786), (1699, 23520), (1960, 20388), (2352, 16990), (2940, 13592), (3360, 11893), (3398, 11760), (3920, 10194), (4704, 8495), (5097, 7840), (5880, 6796)]