20104295880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1531}}^1$

素因数の和:1760

約数の個数: 256

約数和(自身を含む): 65877960960

約数和(自身を除く): 45773665080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 41, 51, 60, 68, 82, 85, 102, 120, 123, 136, 157, 164, 170, 204, 205, 246, 255, 314, 328, 340, 408, 410, 471, 492, 510, 615, 628, 680, 697, 785, 820, 942, 984, 1020, 1230, 1256, 1394, 1531, 1570, 1640, 1884, 2040, 2091, 2355, 2460, 2669, 2788, 3062, 3140, 3485, 3768, 4182, 4593, 4710, 4920, 5338, 5576, 6124, 6280, 6437, 6970, 7655, 8007, 8364, 9186, 9420, 10455, 10676, 12248, 12874, 13345, 13940, 15310, 16014, 16728, 18372, 18840, 19311, 20910, 21352, 22965, 25748, 26027, 26690, 27880, 30620, 32028, 32185, 36744, 38622, 40035, 41820, 45930, 51496, 52054, 53380, 61240, 62771, 64056, 64370, 77244, 78081, 80070, 83640, 91860, 96555, 104108, 106760, 109429, 125542, 128740, 130135, 154488, 156162, 160140, 183720, 188313, 193110, 208216, 218858, 240367, 251084, 257480, 260270, 312324, 313855, 320280, 328287, 376626, 386220, 390405, 437716, 480734, 502168, 520540, 547145, 624648, 627710, 656574, 721101, 753252, 772440, 780810, 875432, 941565, 961468, 1041080, 1067107, 1094290, 1201835, 1255420, 1313148, 1442202, 1506504, 1561620, 1641435, 1883130, 1922936, 2134214, 2188580, 2403670, 2510840, 2626296, 2884404, 3123240, 3201321, 3282870, 3605505, 3766260, 4086239, 4268428, 4377160, 4807340, 5335535, 5768808, 6402642, 6565740, 7211010, 7532520, 8172478, 8536856, 9614680, 9855047, 10671070, 12258717, 12805284, 13131480, 14422020, 16006605, 16344956, 19710094, 20431195, 21342140, 24517434, 25610568, 28844040, 29565141, 32013210, 32689912, 39420188, 40862390, 42684280, 49034868, 49275235, 59130282, 61293585, 64026420, 78840376, 81724780, 98069736, 98550470, 118260564, 122587170, 128052840, 147825705, 163449560, 167535799, 197100940, 236521128, 245174340, 295651410, 335071598, 394201880, 490348680, 502607397, 591302820, 670143196, 837678995, 1005214794, 1182605640, 1340286392, 1675357990, 2010429588, 2513036985, 3350715980, 4020859176, 5026073970, 6701431960, 10052147940, 20104295880]

約数ペア:

[(1, 20104295880), (2, 10052147940), (3, 6701431960), (4, 5026073970), (5, 4020859176), (6, 3350715980), (8, 2513036985), (10, 2010429588), (12, 1675357990), (15, 1340286392), (17, 1182605640), (20, 1005214794), (24, 837678995), (30, 670143196), (34, 591302820), (40, 502607397), (41, 490348680), (51, 394201880), (60, 335071598), (68, 295651410), (82, 245174340), (85, 236521128), (102, 197100940), (120, 167535799), (123, 163449560), (136, 147825705), (157, 128052840), (164, 122587170), (170, 118260564), (204, 98550470), (205, 98069736), (246, 81724780), (255, 78840376), (314, 64026420), (328, 61293585), (340, 59130282), (408, 49275235), (410, 49034868), (471, 42684280), (492, 40862390), (510, 39420188), (615, 32689912), (628, 32013210), (680, 29565141), (697, 28844040), (785, 25610568), (820, 24517434), (942, 21342140), (984, 20431195), (1020, 19710094), (1230, 16344956), (1256, 16006605), (1394, 14422020), (1531, 13131480), (1570, 12805284), (1640, 12258717), (1884, 10671070), (2040, 9855047), (2091, 9614680), (2355, 8536856), (2460, 8172478), (2669, 7532520), (2788, 7211010), (3062, 6565740), (3140, 6402642), (3485, 5768808), (3768, 5335535), (4182, 4807340), (4593, 4377160), (4710, 4268428), (4920, 4086239), (5338, 3766260), (5576, 3605505), (6124, 3282870), (6280, 3201321), (6437, 3123240), (6970, 2884404), (7655, 2626296), (8007, 2510840), (8364, 2403670), (9186, 2188580), (9420, 2134214), (10455, 1922936), (10676, 1883130), (12248, 1641435), (12874, 1561620), (13345, 1506504), (13940, 1442202), (15310, 1313148), (16014, 1255420), (16728, 1201835), (18372, 1094290), (18840, 1067107), (19311, 1041080), (20910, 961468), (21352, 941565), (22965, 875432), (25748, 780810), (26027, 772440), (26690, 753252), (27880, 721101), (30620, 656574), (32028, 627710), (32185, 624648), (36744, 547145), (38622, 520540), (40035, 502168), (41820, 480734), (45930, 437716), (51496, 390405), (52054, 386220), (53380, 376626), (61240, 328287), (62771, 320280), (64056, 313855), (64370, 312324), (77244, 260270), (78081, 257480), (80070, 251084), (83640, 240367), (91860, 218858), (96555, 208216), (104108, 193110), (106760, 188313), (109429, 183720), (125542, 160140), (128740, 156162), (130135, 154488)]