213438420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1721}}^1$

素因数の和:1802

約数の個数: 144

約数和(自身を含む): 710800272

約数和(自身を除く): 497361852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 53, 60, 65, 78, 90, 106, 117, 130, 156, 159, 180, 195, 212, 234, 260, 265, 318, 390, 468, 477, 530, 585, 636, 689, 780, 795, 954, 1060, 1170, 1378, 1590, 1721, 1908, 2067, 2340, 2385, 2756, 3180, 3442, 3445, 4134, 4770, 5163, 6201, 6884, 6890, 8268, 8605, 9540, 10326, 10335, 12402, 13780, 15489, 17210, 20652, 20670, 22373, 24804, 25815, 30978, 31005, 34420, 41340, 44746, 51630, 61956, 62010, 67119, 77445, 89492, 91213, 103260, 111865, 124020, 134238, 154890, 182426, 201357, 223730, 268476, 273639, 309780, 335595, 364852, 402714, 447460, 456065, 547278, 671190, 805428, 820917, 912130, 1006785, 1094556, 1185769, 1342380, 1368195, 1641834, 1824260, 2013570, 2371538, 2736390, 3283668, 3557307, 4027140, 4104585, 4743076, 5472780, 5928845, 7114614, 8209170, 10671921, 11857690, 14229228, 16418340, 17786535, 21343842, 23715380, 35573070, 42687684, 53359605, 71146140, 106719210, 213438420]

約数ペア:

[(1, 213438420), (2, 106719210), (3, 71146140), (4, 53359605), (5, 42687684), (6, 35573070), (9, 23715380), (10, 21343842), (12, 17786535), (13, 16418340), (15, 14229228), (18, 11857690), (20, 10671921), (26, 8209170), (30, 7114614), (36, 5928845), (39, 5472780), (45, 4743076), (52, 4104585), (53, 4027140), (60, 3557307), (65, 3283668), (78, 2736390), (90, 2371538), (106, 2013570), (117, 1824260), (130, 1641834), (156, 1368195), (159, 1342380), (180, 1185769), (195, 1094556), (212, 1006785), (234, 912130), (260, 820917), (265, 805428), (318, 671190), (390, 547278), (468, 456065), (477, 447460), (530, 402714), (585, 364852), (636, 335595), (689, 309780), (780, 273639), (795, 268476), (954, 223730), (1060, 201357), (1170, 182426), (1378, 154890), (1590, 134238), (1721, 124020), (1908, 111865), (2067, 103260), (2340, 91213), (2385, 89492), (2756, 77445), (3180, 67119), (3442, 62010), (3445, 61956), (4134, 51630), (4770, 44746), (5163, 41340), (6201, 34420), (6884, 31005), (6890, 30978), (8268, 25815), (8605, 24804), (9540, 22373), (10326, 20670), (10335, 20652), (12402, 17210), (13780, 15489)]