20124807640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{773}}^1$

素因数の和:1194

約数の個数: 192

約数和(自身を含む): 54318081600

約数和(自身を除く): 34193273960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 74, 98, 140, 148, 185, 196, 245, 259, 280, 296, 359, 370, 392, 490, 518, 718, 740, 773, 980, 1036, 1295, 1436, 1480, 1546, 1795, 1813, 1960, 2072, 2513, 2590, 2872, 3092, 3590, 3626, 3865, 5026, 5180, 5411, 6184, 7180, 7252, 7730, 9065, 10052, 10360, 10822, 12565, 13283, 14360, 14504, 15460, 17591, 18130, 20104, 21644, 25130, 26566, 27055, 28601, 30920, 35182, 36260, 37877, 43288, 50260, 53132, 54110, 57202, 66415, 70364, 72520, 75754, 87955, 92981, 100520, 106264, 108220, 114404, 132830, 140728, 143005, 151508, 175910, 185962, 189385, 200207, 216440, 228808, 265660, 277507, 286010, 303016, 351820, 371924, 378770, 400414, 464905, 531320, 555014, 572020, 650867, 703640, 743848, 757540, 800828, 929810, 1001035, 1110028, 1144040, 1301734, 1387535, 1401449, 1515080, 1601656, 1859620, 1942549, 2002070, 2220056, 2603468, 2775070, 2802898, 3254335, 3719240, 3885098, 4004140, 5206936, 5550140, 5605796, 6508670, 7007245, 7770196, 8008280, 9712745, 10267759, 11100280, 11211592, 13017340, 13597843, 14014490, 15540392, 19425490, 20535518, 26034680, 27195686, 28028980, 38850980, 41071036, 51338795, 54391372, 56057960, 67989215, 71874313, 77701960, 82142072, 102677590, 108782744, 135978430, 143748626, 205355180, 271956860, 287497252, 359371565, 410710360, 503120191, 543913720, 574994504, 718743130, 1006240382, 1437486260, 2012480764, 2515600955, 2874972520, 4024961528, 5031201910, 10062403820, 20124807640]

約数ペア:

[(1, 20124807640), (2, 10062403820), (4, 5031201910), (5, 4024961528), (7, 2874972520), (8, 2515600955), (10, 2012480764), (14, 1437486260), (20, 1006240382), (28, 718743130), (35, 574994504), (37, 543913720), (40, 503120191), (49, 410710360), (56, 359371565), (70, 287497252), (74, 271956860), (98, 205355180), (140, 143748626), (148, 135978430), (185, 108782744), (196, 102677590), (245, 82142072), (259, 77701960), (280, 71874313), (296, 67989215), (359, 56057960), (370, 54391372), (392, 51338795), (490, 41071036), (518, 38850980), (718, 28028980), (740, 27195686), (773, 26034680), (980, 20535518), (1036, 19425490), (1295, 15540392), (1436, 14014490), (1480, 13597843), (1546, 13017340), (1795, 11211592), (1813, 11100280), (1960, 10267759), (2072, 9712745), (2513, 8008280), (2590, 7770196), (2872, 7007245), (3092, 6508670), (3590, 5605796), (3626, 5550140), (3865, 5206936), (5026, 4004140), (5180, 3885098), (5411, 3719240), (6184, 3254335), (7180, 2802898), (7252, 2775070), (7730, 2603468), (9065, 2220056), (10052, 2002070), (10360, 1942549), (10822, 1859620), (12565, 1601656), (13283, 1515080), (14360, 1401449), (14504, 1387535), (15460, 1301734), (17591, 1144040), (18130, 1110028), (20104, 1001035), (21644, 929810), (25130, 800828), (26566, 757540), (27055, 743848), (28601, 703640), (30920, 650867), (35182, 572020), (36260, 555014), (37877, 531320), (43288, 464905), (50260, 400414), (53132, 378770), (54110, 371924), (57202, 351820), (66415, 303016), (70364, 286010), (72520, 277507), (75754, 265660), (87955, 228808), (92981, 216440), (100520, 200207), (106264, 189385), (108220, 185962), (114404, 175910), (132830, 151508), (140728, 143005)]