257985540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:371

約数の個数: 192

約数和(自身を含む): 860025600

約数和(自身を除く): 602040060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 157, 170, 179, 180, 204, 255, 270, 306, 314, 340, 358, 459, 471, 510, 537, 540, 612, 628, 716, 765, 785, 895, 918, 942, 1020, 1074, 1413, 1530, 1570, 1611, 1790, 1836, 1884, 2148, 2295, 2355, 2669, 2685, 2826, 3043, 3060, 3140, 3222, 3580, 4239, 4590, 4710, 4833, 5338, 5370, 5652, 6086, 6444, 7065, 8007, 8055, 8478, 9129, 9180, 9420, 9666, 10676, 10740, 12172, 13345, 14130, 15215, 16014, 16110, 16956, 18258, 19332, 21195, 24021, 24165, 26690, 27387, 28103, 28260, 30430, 32028, 32220, 36516, 40035, 42390, 45645, 48042, 48330, 53380, 54774, 56206, 60860, 72063, 80070, 82161, 84309, 84780, 91290, 96084, 96660, 109548, 112412, 120105, 136935, 140515, 144126, 160140, 164322, 168618, 182580, 240210, 252927, 273870, 281030, 288252, 328644, 337236, 360315, 410805, 421545, 477751, 480420, 505854, 547740, 562060, 720630, 758781, 821610, 843090, 955502, 1011708, 1264635, 1433253, 1441260, 1517562, 1643220, 1686180, 1911004, 2388755, 2529270, 2866506, 3035124, 3793905, 4299759, 4777510, 5058540, 5733012, 7166265, 7587810, 8599518, 9555020, 12899277, 14332530, 15175620, 17199036, 21498795, 25798554, 28665060, 42997590, 51597108, 64496385, 85995180, 128992770, 257985540]

約数ペア:

[(1, 257985540), (2, 128992770), (3, 85995180), (4, 64496385), (5, 51597108), (6, 42997590), (9, 28665060), (10, 25798554), (12, 21498795), (15, 17199036), (17, 15175620), (18, 14332530), (20, 12899277), (27, 9555020), (30, 8599518), (34, 7587810), (36, 7166265), (45, 5733012), (51, 5058540), (54, 4777510), (60, 4299759), (68, 3793905), (85, 3035124), (90, 2866506), (102, 2529270), (108, 2388755), (135, 1911004), (153, 1686180), (157, 1643220), (170, 1517562), (179, 1441260), (180, 1433253), (204, 1264635), (255, 1011708), (270, 955502), (306, 843090), (314, 821610), (340, 758781), (358, 720630), (459, 562060), (471, 547740), (510, 505854), (537, 480420), (540, 477751), (612, 421545), (628, 410805), (716, 360315), (765, 337236), (785, 328644), (895, 288252), (918, 281030), (942, 273870), (1020, 252927), (1074, 240210), (1413, 182580), (1530, 168618), (1570, 164322), (1611, 160140), (1790, 144126), (1836, 140515), (1884, 136935), (2148, 120105), (2295, 112412), (2355, 109548), (2669, 96660), (2685, 96084), (2826, 91290), (3043, 84780), (3060, 84309), (3140, 82161), (3222, 80070), (3580, 72063), (4239, 60860), (4590, 56206), (4710, 54774), (4833, 53380), (5338, 48330), (5370, 48042), (5652, 45645), (6086, 42390), (6444, 40035), (7065, 36516), (8007, 32220), (8055, 32028), (8478, 30430), (9129, 28260), (9180, 28103), (9420, 27387), (9666, 26690), (10676, 24165), (10740, 24021), (12172, 21195), (13345, 19332), (14130, 18258), (15215, 16956), (16014, 16110)]