240690420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:359

約数の個数: 192

約数和(自身を含む): 802690560

約数和(自身を除く): 562000140

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, 167, 170, 180, 204, 255, 270, 306, 314, 334, 340, 459, 471, 501, 510, 540, 612, 628, 668, 765, 785, 835, 918, 942, 1002, 1020, 1413, 1503, 1530, 1570, 1670, 1836, 1884, 2004, 2295, 2355, 2505, 2669, 2826, 2839, 3006, 3060, 3140, 3340, 4239, 4509, 4590, 4710, 5010, 5338, 5652, 5678, 6012, 7065, 7515, 8007, 8478, 8517, 9018, 9180, 9420, 10020, 10676, 11356, 13345, 14130, 14195, 15030, 16014, 16956, 17034, 18036, 21195, 22545, 24021, 25551, 26219, 26690, 28260, 28390, 30060, 32028, 34068, 40035, 42390, 42585, 45090, 48042, 51102, 52438, 53380, 56780, 72063, 76653, 78657, 80070, 84780, 85170, 90180, 96084, 102204, 104876, 120105, 127755, 131095, 144126, 153306, 157314, 160140, 170340, 235971, 240210, 255510, 262190, 288252, 306612, 314628, 360315, 383265, 393285, 445723, 471942, 480420, 511020, 524380, 707913, 720630, 766530, 786570, 891446, 943884, 1179855, 1337169, 1415826, 1441260, 1533060, 1573140, 1782892, 2228615, 2359710, 2674338, 2831652, 3539565, 4011507, 4457230, 4719420, 5348676, 6685845, 7079130, 8023014, 8914460, 12034521, 13371690, 14158260, 16046028, 20057535, 24069042, 26743380, 40115070, 48138084, 60172605, 80230140, 120345210, 240690420]

約数ペア:

[(1, 240690420), (2, 120345210), (3, 80230140), (4, 60172605), (5, 48138084), (6, 40115070), (9, 26743380), (10, 24069042), (12, 20057535), (15, 16046028), (17, 14158260), (18, 13371690), (20, 12034521), (27, 8914460), (30, 8023014), (34, 7079130), (36, 6685845), (45, 5348676), (51, 4719420), (54, 4457230), (60, 4011507), (68, 3539565), (85, 2831652), (90, 2674338), (102, 2359710), (108, 2228615), (135, 1782892), (153, 1573140), (157, 1533060), (167, 1441260), (170, 1415826), (180, 1337169), (204, 1179855), (255, 943884), (270, 891446), (306, 786570), (314, 766530), (334, 720630), (340, 707913), (459, 524380), (471, 511020), (501, 480420), (510, 471942), (540, 445723), (612, 393285), (628, 383265), (668, 360315), (765, 314628), (785, 306612), (835, 288252), (918, 262190), (942, 255510), (1002, 240210), (1020, 235971), (1413, 170340), (1503, 160140), (1530, 157314), (1570, 153306), (1670, 144126), (1836, 131095), (1884, 127755), (2004, 120105), (2295, 104876), (2355, 102204), (2505, 96084), (2669, 90180), (2826, 85170), (2839, 84780), (3006, 80070), (3060, 78657), (3140, 76653), (3340, 72063), (4239, 56780), (4509, 53380), (4590, 52438), (4710, 51102), (5010, 48042), (5338, 45090), (5652, 42585), (5678, 42390), (6012, 40035), (7065, 34068), (7515, 32028), (8007, 30060), (8478, 28390), (8517, 28260), (9018, 26690), (9180, 26219), (9420, 25551), (10020, 24021), (10676, 22545), (11356, 21195), (13345, 18036), (14130, 17034), (14195, 16956), (15030, 16014)]