30490980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 96413184

約数和(自身を除く): 65922204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 97, 124, 130, 155, 156, 169, 186, 194, 195, 260, 291, 310, 338, 372, 388, 390, 403, 465, 485, 507, 582, 620, 676, 780, 806, 845, 930, 970, 1014, 1164, 1209, 1261, 1455, 1612, 1690, 1860, 1940, 2015, 2028, 2418, 2522, 2535, 2910, 3007, 3380, 3783, 4030, 4836, 5044, 5070, 5239, 5820, 6014, 6045, 6305, 7566, 8060, 9021, 10140, 10478, 12028, 12090, 12610, 15035, 15132, 15717, 16393, 18042, 18915, 20956, 24180, 25220, 26195, 30070, 31434, 32786, 36084, 37830, 39091, 45105, 49179, 52390, 60140, 62868, 65572, 75660, 78182, 78585, 81965, 90210, 98358, 104780, 117273, 156364, 157170, 163930, 180420, 195455, 196716, 234546, 245895, 314340, 327860, 390910, 469092, 491790, 508183, 586365, 781820, 983580, 1016366, 1172730, 1524549, 2032732, 2345460, 2540915, 3049098, 5081830, 6098196, 7622745, 10163660, 15245490, 30490980]

約数ペア:

[(1, 30490980), (2, 15245490), (3, 10163660), (4, 7622745), (5, 6098196), (6, 5081830), (10, 3049098), (12, 2540915), (13, 2345460), (15, 2032732), (20, 1524549), (26, 1172730), (30, 1016366), (31, 983580), (39, 781820), (52, 586365), (60, 508183), (62, 491790), (65, 469092), (78, 390910), (93, 327860), (97, 314340), (124, 245895), (130, 234546), (155, 196716), (156, 195455), (169, 180420), (186, 163930), (194, 157170), (195, 156364), (260, 117273), (291, 104780), (310, 98358), (338, 90210), (372, 81965), (388, 78585), (390, 78182), (403, 75660), (465, 65572), (485, 62868), (507, 60140), (582, 52390), (620, 49179), (676, 45105), (780, 39091), (806, 37830), (845, 36084), (930, 32786), (970, 31434), (1014, 30070), (1164, 26195), (1209, 25220), (1261, 24180), (1455, 20956), (1612, 18915), (1690, 18042), (1860, 16393), (1940, 15717), (2015, 15132), (2028, 15035), (2418, 12610), (2522, 12090), (2535, 12028), (2910, 10478), (3007, 10140), (3380, 9021), (3783, 8060), (4030, 7566), (4836, 6305), (5044, 6045), (5070, 6014), (5239, 5820)]