18215508240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{42953}}^1$

素因数の和:43022

約数の個数: 240

約数和(自身を含む): 66472174080

約数和(自身を除く): 48256665840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 114, 120, 124, 144, 152, 155, 171, 180, 186, 190, 228, 240, 248, 279, 285, 304, 310, 342, 360, 372, 380, 456, 465, 496, 558, 570, 589, 620, 684, 720, 744, 760, 855, 912, 930, 1116, 1140, 1178, 1240, 1368, 1395, 1488, 1520, 1710, 1767, 1860, 2232, 2280, 2356, 2480, 2736, 2790, 2945, 3420, 3534, 3720, 4464, 4560, 4712, 5301, 5580, 5890, 6840, 7068, 7440, 8835, 9424, 10602, 11160, 11780, 13680, 14136, 17670, 21204, 22320, 23560, 26505, 28272, 35340, 42408, 42953, 47120, 53010, 70680, 84816, 85906, 106020, 128859, 141360, 171812, 212040, 214765, 257718, 343624, 386577, 424080, 429530, 515436, 644295, 687248, 773154, 816107, 859060, 1030872, 1288590, 1331543, 1546308, 1632214, 1718120, 1932885, 2061744, 2448321, 2577180, 2663086, 3092616, 3264428, 3436240, 3865770, 3994629, 4080535, 4896642, 5154360, 5326172, 6185232, 6528856, 6657715, 7344963, 7731540, 7989258, 8161070, 9793284, 10308720, 10652344, 11983887, 12241605, 13057712, 13315430, 14689926, 15463080, 15978516, 16322140, 19586568, 19973145, 21304688, 23967774, 24483210, 25299317, 26630860, 29379852, 30926160, 31957032, 32644280, 36724815, 39173136, 39946290, 47935548, 48966420, 50598634, 53261720, 58759704, 59919435, 63914064, 65288560, 73449630, 75897951, 79892580, 95871096, 97932840, 101197268, 106523440, 117519408, 119838870, 126496585, 146899260, 151795902, 159785160, 191742192, 195865680, 202394536, 227693853, 239677740, 252993170, 293798520, 303591804, 319570320, 379489755, 404789072, 455387706, 479355480, 505986340, 587597040, 607183608, 758979510, 910775412, 958710960, 1011972680, 1138469265, 1214367216, 1517959020, 1821550824, 2023945360, 2276938530, 3035918040, 3643101648, 4553877060, 6071836080, 9107754120, 18215508240]

約数ペア:

[(1, 18215508240), (2, 9107754120), (3, 6071836080), (4, 4553877060), (5, 3643101648), (6, 3035918040), (8, 2276938530), (9, 2023945360), (10, 1821550824), (12, 1517959020), (15, 1214367216), (16, 1138469265), (18, 1011972680), (19, 958710960), (20, 910775412), (24, 758979510), (30, 607183608), (31, 587597040), (36, 505986340), (38, 479355480), (40, 455387706), (45, 404789072), (48, 379489755), (57, 319570320), (60, 303591804), (62, 293798520), (72, 252993170), (76, 239677740), (80, 227693853), (90, 202394536), (93, 195865680), (95, 191742192), (114, 159785160), (120, 151795902), (124, 146899260), (144, 126496585), (152, 119838870), (155, 117519408), (171, 106523440), (180, 101197268), (186, 97932840), (190, 95871096), (228, 79892580), (240, 75897951), (248, 73449630), (279, 65288560), (285, 63914064), (304, 59919435), (310, 58759704), (342, 53261720), (360, 50598634), (372, 48966420), (380, 47935548), (456, 39946290), (465, 39173136), (496, 36724815), (558, 32644280), (570, 31957032), (589, 30926160), (620, 29379852), (684, 26630860), (720, 25299317), (744, 24483210), (760, 23967774), (855, 21304688), (912, 19973145), (930, 19586568), (1116, 16322140), (1140, 15978516), (1178, 15463080), (1240, 14689926), (1368, 13315430), (1395, 13057712), (1488, 12241605), (1520, 11983887), (1710, 10652344), (1767, 10308720), (1860, 9793284), (2232, 8161070), (2280, 7989258), (2356, 7731540), (2480, 7344963), (2736, 6657715), (2790, 6528856), (2945, 6185232), (3420, 5326172), (3534, 5154360), (3720, 4896642), (4464, 4080535), (4560, 3994629), (4712, 3865770), (5301, 3436240), (5580, 3264428), (5890, 3092616), (6840, 2663086), (7068, 2577180), (7440, 2448321), (8835, 2061744), (9424, 1932885), (10602, 1718120), (11160, 1632214), (11780, 1546308), (13680, 1331543), (14136, 1288590), (17670, 1030872), (21204, 859060), (22320, 816107), (23560, 773154), (26505, 687248), (28272, 644295), (35340, 515436), (42408, 429530), (42953, 424080), (47120, 386577), (53010, 343624), (70680, 257718), (84816, 214765), (85906, 212040), (106020, 171812), (128859, 141360)]