287788240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3469}}^1$

素因数の和:3560

約数の個数: 80

約数和(自身を含む): 720288720

約数和(自身を除く): 432500480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 340, 488, 610, 680, 976, 1037, 1220, 1360, 2074, 2440, 3469, 4148, 4880, 5185, 6938, 8296, 10370, 13876, 16592, 17345, 20740, 27752, 34690, 41480, 55504, 58973, 69380, 82960, 117946, 138760, 211609, 235892, 277520, 294865, 423218, 471784, 589730, 846436, 943568, 1058045, 1179460, 1692872, 2116090, 2358920, 3385744, 3597353, 4232180, 4717840, 7194706, 8464360, 14389412, 16928720, 17986765, 28778824, 35973530, 57557648, 71947060, 143894120, 287788240]

約数ペア:

[(1, 287788240), (2, 143894120), (4, 71947060), (5, 57557648), (8, 35973530), (10, 28778824), (16, 17986765), (17, 16928720), (20, 14389412), (34, 8464360), (40, 7194706), (61, 4717840), (68, 4232180), (80, 3597353), (85, 3385744), (122, 2358920), (136, 2116090), (170, 1692872), (244, 1179460), (272, 1058045), (305, 943568), (340, 846436), (488, 589730), (610, 471784), (680, 423218), (976, 294865), (1037, 277520), (1220, 235892), (1360, 211609), (2074, 138760), (2440, 117946), (3469, 82960), (4148, 69380), (4880, 58973), (5185, 55504), (6938, 41480), (8296, 34690), (10370, 27752), (13876, 20740), (16592, 17345)]