72408140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 183859200

約数和(自身を除く): 111451060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 113, 115, 140, 161, 199, 226, 230, 322, 398, 452, 460, 565, 644, 791, 796, 805, 995, 1130, 1393, 1582, 1610, 1990, 2260, 2599, 2786, 3164, 3220, 3955, 3980, 4577, 5198, 5572, 6965, 7910, 9154, 10396, 12995, 13930, 15820, 18193, 18308, 22487, 22885, 25990, 27860, 32039, 36386, 44974, 45770, 51980, 64078, 72772, 89948, 90965, 91540, 112435, 128156, 157409, 160195, 181930, 224870, 314818, 320390, 363860, 449740, 517201, 629636, 640780, 787045, 1034402, 1574090, 2068804, 2586005, 3148180, 3620407, 5172010, 7240814, 10344020, 14481628, 18102035, 36204070, 72408140]

約数ペア:

[(1, 72408140), (2, 36204070), (4, 18102035), (5, 14481628), (7, 10344020), (10, 7240814), (14, 5172010), (20, 3620407), (23, 3148180), (28, 2586005), (35, 2068804), (46, 1574090), (70, 1034402), (92, 787045), (113, 640780), (115, 629636), (140, 517201), (161, 449740), (199, 363860), (226, 320390), (230, 314818), (322, 224870), (398, 181930), (452, 160195), (460, 157409), (565, 128156), (644, 112435), (791, 91540), (796, 90965), (805, 89948), (995, 72772), (1130, 64078), (1393, 51980), (1582, 45770), (1610, 44974), (1990, 36386), (2260, 32039), (2599, 27860), (2786, 25990), (3164, 22885), (3220, 22487), (3955, 18308), (3980, 18193), (4577, 15820), (5198, 13930), (5572, 12995), (6965, 10396), (7910, 9154)]