78777660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:512

約数の個数: 144

約数和(自身を含む): 253453536

約数和(自身を除く): 174675876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 169, 170, 195, 204, 221, 255, 260, 338, 340, 390, 442, 457, 507, 510, 663, 676, 780, 845, 884, 914, 1014, 1020, 1105, 1326, 1371, 1690, 1828, 2028, 2210, 2285, 2535, 2652, 2742, 2873, 3315, 3380, 4420, 4570, 5070, 5484, 5746, 5941, 6630, 6855, 7769, 8619, 9140, 10140, 11492, 11882, 13260, 13710, 14365, 15538, 17238, 17823, 23307, 23764, 27420, 28730, 29705, 31076, 34476, 35646, 38845, 43095, 46614, 57460, 59410, 71292, 77233, 77690, 86190, 89115, 93228, 100997, 116535, 118820, 154466, 155380, 172380, 178230, 201994, 231699, 233070, 302991, 308932, 356460, 386165, 403988, 463398, 466140, 504985, 605982, 772330, 926796, 1009970, 1158495, 1211964, 1312961, 1514955, 1544660, 2019940, 2316990, 2625922, 3029910, 3938883, 4633980, 5251844, 6059820, 6564805, 7877766, 13129610, 15755532, 19694415, 26259220, 39388830, 78777660]

約数ペア:

[(1, 78777660), (2, 39388830), (3, 26259220), (4, 19694415), (5, 15755532), (6, 13129610), (10, 7877766), (12, 6564805), (13, 6059820), (15, 5251844), (17, 4633980), (20, 3938883), (26, 3029910), (30, 2625922), (34, 2316990), (39, 2019940), (51, 1544660), (52, 1514955), (60, 1312961), (65, 1211964), (68, 1158495), (78, 1009970), (85, 926796), (102, 772330), (130, 605982), (156, 504985), (169, 466140), (170, 463398), (195, 403988), (204, 386165), (221, 356460), (255, 308932), (260, 302991), (338, 233070), (340, 231699), (390, 201994), (442, 178230), (457, 172380), (507, 155380), (510, 154466), (663, 118820), (676, 116535), (780, 100997), (845, 93228), (884, 89115), (914, 86190), (1014, 77690), (1020, 77233), (1105, 71292), (1326, 59410), (1371, 57460), (1690, 46614), (1828, 43095), (2028, 38845), (2210, 35646), (2285, 34476), (2535, 31076), (2652, 29705), (2742, 28730), (2873, 27420), (3315, 23764), (3380, 23307), (4420, 17823), (4570, 17238), (5070, 15538), (5484, 14365), (5746, 13710), (5941, 13260), (6630, 11882), (6855, 11492), (7769, 10140), (8619, 9140)]