30851820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 105369600

約数和(自身を除く): 74517780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 31, 36, 38, 45, 54, 57, 60, 62, 76, 90, 93, 95, 97, 108, 114, 124, 135, 155, 171, 180, 186, 190, 194, 228, 270, 279, 285, 291, 310, 342, 372, 380, 388, 465, 485, 513, 540, 558, 570, 582, 589, 620, 684, 837, 855, 873, 930, 970, 1026, 1116, 1140, 1164, 1178, 1395, 1455, 1674, 1710, 1746, 1767, 1843, 1860, 1940, 2052, 2356, 2565, 2619, 2790, 2910, 2945, 3007, 3348, 3420, 3492, 3534, 3686, 4185, 4365, 5130, 5238, 5301, 5529, 5580, 5820, 5890, 6014, 7068, 7372, 8370, 8730, 8835, 9021, 9215, 10260, 10476, 10602, 11058, 11780, 12028, 13095, 15035, 15903, 16587, 16740, 17460, 17670, 18042, 18430, 21204, 22116, 26190, 26505, 27063, 27645, 30070, 31806, 33174, 35340, 36084, 36860, 45105, 49761, 52380, 53010, 54126, 55290, 57133, 60140, 63612, 66348, 79515, 81189, 82935, 90210, 99522, 106020, 108252, 110580, 114266, 135315, 159030, 162378, 165870, 171399, 180420, 199044, 228532, 248805, 270630, 285665, 318060, 324756, 331740, 342798, 405945, 497610, 514197, 541260, 571330, 685596, 811890, 856995, 995220, 1028394, 1142660, 1542591, 1623780, 1713990, 2056788, 2570985, 3085182, 3427980, 5141970, 6170364, 7712955, 10283940, 15425910, 30851820]

約数ペア:

[(1, 30851820), (2, 15425910), (3, 10283940), (4, 7712955), (5, 6170364), (6, 5141970), (9, 3427980), (10, 3085182), (12, 2570985), (15, 2056788), (18, 1713990), (19, 1623780), (20, 1542591), (27, 1142660), (30, 1028394), (31, 995220), (36, 856995), (38, 811890), (45, 685596), (54, 571330), (57, 541260), (60, 514197), (62, 497610), (76, 405945), (90, 342798), (93, 331740), (95, 324756), (97, 318060), (108, 285665), (114, 270630), (124, 248805), (135, 228532), (155, 199044), (171, 180420), (180, 171399), (186, 165870), (190, 162378), (194, 159030), (228, 135315), (270, 114266), (279, 110580), (285, 108252), (291, 106020), (310, 99522), (342, 90210), (372, 82935), (380, 81189), (388, 79515), (465, 66348), (485, 63612), (513, 60140), (540, 57133), (558, 55290), (570, 54126), (582, 53010), (589, 52380), (620, 49761), (684, 45105), (837, 36860), (855, 36084), (873, 35340), (930, 33174), (970, 31806), (1026, 30070), (1116, 27645), (1140, 27063), (1164, 26505), (1178, 26190), (1395, 22116), (1455, 21204), (1674, 18430), (1710, 18042), (1746, 17670), (1767, 17460), (1843, 16740), (1860, 16587), (1940, 15903), (2052, 15035), (2356, 13095), (2565, 12028), (2619, 11780), (2790, 11058), (2910, 10602), (2945, 10476), (3007, 10260), (3348, 9215), (3420, 9021), (3492, 8835), (3534, 8730), (3686, 8370), (4185, 7372), (4365, 7068), (5130, 6014), (5238, 5890), (5301, 5820), (5529, 5580)]