42525420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 145232640

約数和(自身を除く): 102707220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 73, 76, 84, 95, 105, 114, 133, 140, 146, 190, 210, 219, 228, 266, 285, 292, 365, 380, 399, 420, 438, 511, 532, 570, 665, 730, 798, 876, 1022, 1095, 1140, 1330, 1387, 1460, 1533, 1596, 1995, 2044, 2190, 2555, 2660, 2774, 3066, 3990, 4161, 4380, 5110, 5329, 5548, 6132, 6935, 7665, 7980, 8322, 9709, 10220, 10658, 13870, 15330, 15987, 16644, 19418, 20805, 21316, 26645, 27740, 29127, 30660, 31974, 37303, 38836, 41610, 48545, 53290, 58254, 63948, 74606, 79935, 83220, 97090, 101251, 106580, 111909, 116508, 145635, 149212, 159870, 186515, 194180, 202502, 223818, 291270, 303753, 319740, 373030, 405004, 447636, 506255, 559545, 582540, 607506, 708757, 746060, 1012510, 1119090, 1215012, 1417514, 1518765, 2025020, 2126271, 2238180, 2835028, 3037530, 3543785, 4252542, 6075060, 7087570, 8505084, 10631355, 14175140, 21262710, 42525420]

約数ペア:

[(1, 42525420), (2, 21262710), (3, 14175140), (4, 10631355), (5, 8505084), (6, 7087570), (7, 6075060), (10, 4252542), (12, 3543785), (14, 3037530), (15, 2835028), (19, 2238180), (20, 2126271), (21, 2025020), (28, 1518765), (30, 1417514), (35, 1215012), (38, 1119090), (42, 1012510), (57, 746060), (60, 708757), (70, 607506), (73, 582540), (76, 559545), (84, 506255), (95, 447636), (105, 405004), (114, 373030), (133, 319740), (140, 303753), (146, 291270), (190, 223818), (210, 202502), (219, 194180), (228, 186515), (266, 159870), (285, 149212), (292, 145635), (365, 116508), (380, 111909), (399, 106580), (420, 101251), (438, 97090), (511, 83220), (532, 79935), (570, 74606), (665, 63948), (730, 58254), (798, 53290), (876, 48545), (1022, 41610), (1095, 38836), (1140, 37303), (1330, 31974), (1387, 30660), (1460, 29127), (1533, 27740), (1596, 26645), (1995, 21316), (2044, 20805), (2190, 19418), (2555, 16644), (2660, 15987), (2774, 15330), (3066, 13870), (3990, 10658), (4161, 10220), (4380, 9709), (5110, 8322), (5329, 7980), (5548, 7665), (6132, 6935)]