78241140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{947}}^1$

素因数の和:988

約数の個数: 144

約数和(自身を含む): 260874432

約数和(自身を除く): 182633292

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, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 243, 255, 270, 306, 324, 340, 405, 459, 486, 510, 540, 612, 765, 810, 918, 947, 972, 1020, 1215, 1377, 1530, 1620, 1836, 1894, 2295, 2430, 2754, 2841, 3060, 3788, 4131, 4590, 4735, 4860, 5508, 5682, 6885, 8262, 8523, 9180, 9470, 11364, 13770, 14205, 16099, 16524, 17046, 18940, 20655, 25569, 27540, 28410, 32198, 34092, 41310, 42615, 48297, 51138, 56820, 64396, 76707, 80495, 82620, 85230, 96594, 102276, 127845, 144891, 153414, 160990, 170460, 193188, 230121, 241485, 255690, 289782, 306828, 321980, 383535, 434673, 460242, 482970, 511380, 579564, 724455, 767070, 869346, 920484, 965940, 1150605, 1304019, 1448910, 1534140, 1738692, 2173365, 2301210, 2608038, 2897820, 3912057, 4346730, 4602420, 5216076, 6520095, 7824114, 8693460, 13040190, 15648228, 19560285, 26080380, 39120570, 78241140]

約数ペア:

[(1, 78241140), (2, 39120570), (3, 26080380), (4, 19560285), (5, 15648228), (6, 13040190), (9, 8693460), (10, 7824114), (12, 6520095), (15, 5216076), (17, 4602420), (18, 4346730), (20, 3912057), (27, 2897820), (30, 2608038), (34, 2301210), (36, 2173365), (45, 1738692), (51, 1534140), (54, 1448910), (60, 1304019), (68, 1150605), (81, 965940), (85, 920484), (90, 869346), (102, 767070), (108, 724455), (135, 579564), (153, 511380), (162, 482970), (170, 460242), (180, 434673), (204, 383535), (243, 321980), (255, 306828), (270, 289782), (306, 255690), (324, 241485), (340, 230121), (405, 193188), (459, 170460), (486, 160990), (510, 153414), (540, 144891), (612, 127845), (765, 102276), (810, 96594), (918, 85230), (947, 82620), (972, 80495), (1020, 76707), (1215, 64396), (1377, 56820), (1530, 51138), (1620, 48297), (1836, 42615), (1894, 41310), (2295, 34092), (2430, 32198), (2754, 28410), (2841, 27540), (3060, 25569), (3788, 20655), (4131, 18940), (4590, 17046), (4735, 16524), (4860, 16099), (5508, 14205), (5682, 13770), (6885, 11364), (8262, 9470), (8523, 9180)]