251259660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:712

約数の個数: 144

約数和(自身を含む): 813679776

約数和(自身を除く): 562420116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 157, 170, 180, 204, 255, 306, 314, 340, 471, 510, 523, 612, 628, 765, 785, 942, 1020, 1046, 1413, 1530, 1569, 1570, 1884, 2092, 2355, 2615, 2669, 2826, 3060, 3138, 3140, 4707, 4710, 5230, 5338, 5652, 6276, 7065, 7845, 8007, 8891, 9414, 9420, 10460, 10676, 13345, 14130, 15690, 16014, 17782, 18828, 23535, 24021, 26673, 26690, 28260, 31380, 32028, 35564, 40035, 44455, 47070, 48042, 53346, 53380, 80019, 80070, 82111, 88910, 94140, 96084, 106692, 120105, 133365, 160038, 160140, 164222, 177820, 240210, 246333, 266730, 320076, 328444, 400095, 410555, 480420, 492666, 533460, 738999, 800190, 821110, 985332, 1231665, 1395887, 1477998, 1600380, 1642220, 2463330, 2791774, 2955996, 3694995, 4187661, 4926660, 5583548, 6979435, 7389990, 8375322, 12562983, 13958870, 14779980, 16750644, 20938305, 25125966, 27917740, 41876610, 50251932, 62814915, 83753220, 125629830, 251259660]

約数ペア:

[(1, 251259660), (2, 125629830), (3, 83753220), (4, 62814915), (5, 50251932), (6, 41876610), (9, 27917740), (10, 25125966), (12, 20938305), (15, 16750644), (17, 14779980), (18, 13958870), (20, 12562983), (30, 8375322), (34, 7389990), (36, 6979435), (45, 5583548), (51, 4926660), (60, 4187661), (68, 3694995), (85, 2955996), (90, 2791774), (102, 2463330), (153, 1642220), (157, 1600380), (170, 1477998), (180, 1395887), (204, 1231665), (255, 985332), (306, 821110), (314, 800190), (340, 738999), (471, 533460), (510, 492666), (523, 480420), (612, 410555), (628, 400095), (765, 328444), (785, 320076), (942, 266730), (1020, 246333), (1046, 240210), (1413, 177820), (1530, 164222), (1569, 160140), (1570, 160038), (1884, 133365), (2092, 120105), (2355, 106692), (2615, 96084), (2669, 94140), (2826, 88910), (3060, 82111), (3138, 80070), (3140, 80019), (4707, 53380), (4710, 53346), (5230, 48042), (5338, 47070), (5652, 44455), (6276, 40035), (7065, 35564), (7845, 32028), (8007, 31380), (8891, 28260), (9414, 26690), (9420, 26673), (10460, 24021), (10676, 23535), (13345, 18828), (14130, 17782), (15690, 16014)]