289201620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:242

約数の個数: 192

約数和(自身を含む): 900910080

約数和(自身を除く): 611708460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 37, 51, 60, 68, 74, 79, 85, 97, 102, 111, 148, 158, 170, 185, 194, 204, 222, 237, 255, 291, 316, 340, 370, 388, 395, 444, 474, 485, 510, 555, 582, 629, 740, 790, 948, 970, 1020, 1110, 1164, 1185, 1258, 1343, 1455, 1580, 1649, 1887, 1940, 2220, 2370, 2516, 2686, 2910, 2923, 3145, 3298, 3589, 3774, 4029, 4740, 4947, 5372, 5820, 5846, 6290, 6596, 6715, 7178, 7548, 7663, 8058, 8245, 8769, 9435, 9894, 10767, 11692, 12580, 13430, 14356, 14615, 15326, 16116, 16490, 17538, 17945, 18870, 19788, 20145, 21534, 22989, 24735, 26860, 29230, 30652, 32980, 35076, 35890, 37740, 38315, 40290, 43068, 43845, 45978, 49470, 49691, 53835, 58460, 61013, 71780, 76630, 80580, 87690, 91956, 98940, 99382, 107670, 114945, 122026, 130271, 149073, 153260, 175380, 183039, 198764, 215340, 229890, 244052, 248455, 260542, 283531, 298146, 305065, 366078, 390813, 459780, 496910, 521084, 567062, 596292, 610130, 651355, 732156, 745365, 781626, 850593, 915195, 993820, 1134124, 1220260, 1302710, 1417655, 1490730, 1563252, 1701186, 1830390, 1954065, 2605420, 2835310, 2981460, 3402372, 3660780, 3908130, 4252965, 4820027, 5670620, 7816260, 8505930, 9640054, 14460081, 17011860, 19280108, 24100135, 28920162, 48200270, 57840324, 72300405, 96400540, 144600810, 289201620]

約数ペア:

[(1, 289201620), (2, 144600810), (3, 96400540), (4, 72300405), (5, 57840324), (6, 48200270), (10, 28920162), (12, 24100135), (15, 19280108), (17, 17011860), (20, 14460081), (30, 9640054), (34, 8505930), (37, 7816260), (51, 5670620), (60, 4820027), (68, 4252965), (74, 3908130), (79, 3660780), (85, 3402372), (97, 2981460), (102, 2835310), (111, 2605420), (148, 1954065), (158, 1830390), (170, 1701186), (185, 1563252), (194, 1490730), (204, 1417655), (222, 1302710), (237, 1220260), (255, 1134124), (291, 993820), (316, 915195), (340, 850593), (370, 781626), (388, 745365), (395, 732156), (444, 651355), (474, 610130), (485, 596292), (510, 567062), (555, 521084), (582, 496910), (629, 459780), (740, 390813), (790, 366078), (948, 305065), (970, 298146), (1020, 283531), (1110, 260542), (1164, 248455), (1185, 244052), (1258, 229890), (1343, 215340), (1455, 198764), (1580, 183039), (1649, 175380), (1887, 153260), (1940, 149073), (2220, 130271), (2370, 122026), (2516, 114945), (2686, 107670), (2910, 99382), (2923, 98940), (3145, 91956), (3298, 87690), (3589, 80580), (3774, 76630), (4029, 71780), (4740, 61013), (4947, 58460), (5372, 53835), (5820, 49691), (5846, 49470), (6290, 45978), (6596, 43845), (6715, 43068), (7178, 40290), (7548, 38315), (7663, 37740), (8058, 35890), (8245, 35076), (8769, 32980), (9435, 30652), (9894, 29230), (10767, 26860), (11692, 24735), (12580, 22989), (13430, 21534), (14356, 20145), (14615, 19788), (15326, 18870), (16116, 17945), (16490, 17538)]