155962240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1180

約数の個数: 128

約数和(自身を含む): 440248320

約数和(自身を除く): 284286080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1123, 1240, 1736, 1984, 2170, 2240, 2246, 2480, 3472, 3968, 4340, 4480, 4492, 4960, 5615, 6944, 7861, 8680, 8984, 9920, 11230, 13888, 15722, 17360, 17968, 19840, 22460, 27776, 31444, 34720, 34813, 35936, 39305, 44920, 62888, 69440, 69626, 71872, 78610, 89840, 125776, 138880, 139252, 143744, 157220, 174065, 179680, 243691, 251552, 278504, 314440, 348130, 359360, 487382, 503104, 557008, 628880, 696260, 718720, 974764, 1006208, 1114016, 1218455, 1257760, 1392520, 1949528, 2228032, 2436910, 2515520, 2785040, 3899056, 4456064, 4873820, 5031040, 5570080, 7798112, 9747640, 11140160, 15596224, 19495280, 22280320, 31192448, 38990560, 77981120, 155962240]

約数ペア:

[(1, 155962240), (2, 77981120), (4, 38990560), (5, 31192448), (7, 22280320), (8, 19495280), (10, 15596224), (14, 11140160), (16, 9747640), (20, 7798112), (28, 5570080), (31, 5031040), (32, 4873820), (35, 4456064), (40, 3899056), (56, 2785040), (62, 2515520), (64, 2436910), (70, 2228032), (80, 1949528), (112, 1392520), (124, 1257760), (128, 1218455), (140, 1114016), (155, 1006208), (160, 974764), (217, 718720), (224, 696260), (248, 628880), (280, 557008), (310, 503104), (320, 487382), (434, 359360), (448, 348130), (496, 314440), (560, 278504), (620, 251552), (640, 243691), (868, 179680), (896, 174065), (992, 157220), (1085, 143744), (1120, 139252), (1123, 138880), (1240, 125776), (1736, 89840), (1984, 78610), (2170, 71872), (2240, 69626), (2246, 69440), (2480, 62888), (3472, 44920), (3968, 39305), (4340, 35936), (4480, 34813), (4492, 34720), (4960, 31444), (5615, 27776), (6944, 22460), (7861, 19840), (8680, 17968), (8984, 17360), (9920, 15722), (11230, 13888)]