31180380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:444

約数の個数: 192

約数和(自身を含む): 115540992

約数和(自身を除く): 84360612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 17, 20, 21, 22, 28, 30, 33, 34, 35, 42, 44, 51, 55, 60, 66, 68, 70, 77, 84, 85, 102, 105, 110, 119, 132, 140, 154, 165, 170, 187, 204, 210, 220, 231, 238, 255, 308, 330, 340, 357, 374, 385, 397, 420, 462, 476, 510, 561, 595, 660, 714, 748, 770, 794, 924, 935, 1020, 1122, 1155, 1190, 1191, 1309, 1428, 1540, 1588, 1785, 1870, 1985, 2244, 2310, 2380, 2382, 2618, 2779, 2805, 3570, 3740, 3927, 3970, 4367, 4620, 4764, 5236, 5558, 5610, 5955, 6545, 6749, 7140, 7854, 7940, 8337, 8734, 11116, 11220, 11910, 13090, 13101, 13498, 13895, 15708, 16674, 17468, 19635, 20247, 21835, 23820, 26180, 26202, 26996, 27790, 30569, 33348, 33745, 39270, 40494, 41685, 43670, 47243, 52404, 55580, 61138, 65505, 67490, 74239, 78540, 80988, 83370, 87340, 91707, 94486, 101235, 122276, 131010, 134980, 141729, 148478, 152845, 166740, 183414, 188972, 202470, 222717, 236215, 262020, 283458, 296956, 305690, 366828, 371195, 404940, 445434, 458535, 472430, 519673, 566916, 611380, 708645, 742390, 890868, 917070, 944860, 1039346, 1113585, 1417290, 1484780, 1559019, 1834140, 2078692, 2227170, 2598365, 2834580, 3118038, 4454340, 5196730, 6236076, 7795095, 10393460, 15590190, 31180380]

約数ペア:

[(1, 31180380), (2, 15590190), (3, 10393460), (4, 7795095), (5, 6236076), (6, 5196730), (7, 4454340), (10, 3118038), (11, 2834580), (12, 2598365), (14, 2227170), (15, 2078692), (17, 1834140), (20, 1559019), (21, 1484780), (22, 1417290), (28, 1113585), (30, 1039346), (33, 944860), (34, 917070), (35, 890868), (42, 742390), (44, 708645), (51, 611380), (55, 566916), (60, 519673), (66, 472430), (68, 458535), (70, 445434), (77, 404940), (84, 371195), (85, 366828), (102, 305690), (105, 296956), (110, 283458), (119, 262020), (132, 236215), (140, 222717), (154, 202470), (165, 188972), (170, 183414), (187, 166740), (204, 152845), (210, 148478), (220, 141729), (231, 134980), (238, 131010), (255, 122276), (308, 101235), (330, 94486), (340, 91707), (357, 87340), (374, 83370), (385, 80988), (397, 78540), (420, 74239), (462, 67490), (476, 65505), (510, 61138), (561, 55580), (595, 52404), (660, 47243), (714, 43670), (748, 41685), (770, 40494), (794, 39270), (924, 33745), (935, 33348), (1020, 30569), (1122, 27790), (1155, 26996), (1190, 26202), (1191, 26180), (1309, 23820), (1428, 21835), (1540, 20247), (1588, 19635), (1785, 17468), (1870, 16674), (1985, 15708), (2244, 13895), (2310, 13498), (2380, 13101), (2382, 13090), (2618, 11910), (2779, 11220), (2805, 11116), (3570, 8734), (3740, 8337), (3927, 7940), (3970, 7854), (4367, 7140), (4620, 6749), (4764, 6545), (5236, 5955), (5558, 5610)]