157472720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{61}}^2$

素因数の和:181

約数の個数: 90

約数和(自身を含む): 389111814

約数和(自身を除く): 231639094

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 61, 80, 92, 115, 122, 184, 230, 244, 305, 368, 460, 488, 529, 610, 920, 976, 1058, 1220, 1403, 1840, 2116, 2440, 2645, 2806, 3721, 4232, 4880, 5290, 5612, 7015, 7442, 8464, 10580, 11224, 14030, 14884, 18605, 21160, 22448, 28060, 29768, 32269, 37210, 42320, 56120, 59536, 64538, 74420, 85583, 112240, 129076, 148840, 161345, 171166, 258152, 297680, 322690, 342332, 427915, 516304, 645380, 684664, 855830, 1290760, 1369328, 1711660, 1968409, 2581520, 3423320, 3936818, 6846640, 7873636, 9842045, 15747272, 19684090, 31494544, 39368180, 78736360, 157472720]

約数ペア:

[(1, 157472720), (2, 78736360), (4, 39368180), (5, 31494544), (8, 19684090), (10, 15747272), (16, 9842045), (20, 7873636), (23, 6846640), (40, 3936818), (46, 3423320), (61, 2581520), (80, 1968409), (92, 1711660), (115, 1369328), (122, 1290760), (184, 855830), (230, 684664), (244, 645380), (305, 516304), (368, 427915), (460, 342332), (488, 322690), (529, 297680), (610, 258152), (920, 171166), (976, 161345), (1058, 148840), (1220, 129076), (1403, 112240), (1840, 85583), (2116, 74420), (2440, 64538), (2645, 59536), (2806, 56120), (3721, 42320), (4232, 37210), (4880, 32269), (5290, 29768), (5612, 28060), (7015, 22448), (7442, 21160), (8464, 18605), (10580, 14884), (11224, 14030)]