102172280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 276480000

約数和(自身を除く): 174307720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 79, 124, 140, 149, 155, 158, 217, 248, 280, 298, 310, 316, 395, 434, 553, 596, 620, 632, 745, 790, 868, 1043, 1085, 1106, 1192, 1240, 1490, 1580, 1736, 2086, 2170, 2212, 2449, 2765, 2980, 3160, 4172, 4340, 4424, 4619, 4898, 5215, 5530, 5960, 8344, 8680, 9238, 9796, 10430, 11060, 11771, 12245, 17143, 18476, 19592, 20860, 22120, 23095, 23542, 24490, 32333, 34286, 36952, 41720, 46190, 47084, 48980, 58855, 64666, 68572, 82397, 85715, 92380, 94168, 97960, 117710, 129332, 137144, 161665, 164794, 171430, 184760, 235420, 258664, 323330, 329588, 342860, 364901, 411985, 470840, 646660, 659176, 685720, 729802, 823970, 1293320, 1459604, 1647940, 1824505, 2554307, 2919208, 3295880, 3649010, 5108614, 7298020, 10217228, 12771535, 14596040, 20434456, 25543070, 51086140, 102172280]

約数ペア:

[(1, 102172280), (2, 51086140), (4, 25543070), (5, 20434456), (7, 14596040), (8, 12771535), (10, 10217228), (14, 7298020), (20, 5108614), (28, 3649010), (31, 3295880), (35, 2919208), (40, 2554307), (56, 1824505), (62, 1647940), (70, 1459604), (79, 1293320), (124, 823970), (140, 729802), (149, 685720), (155, 659176), (158, 646660), (217, 470840), (248, 411985), (280, 364901), (298, 342860), (310, 329588), (316, 323330), (395, 258664), (434, 235420), (553, 184760), (596, 171430), (620, 164794), (632, 161665), (745, 137144), (790, 129332), (868, 117710), (1043, 97960), (1085, 94168), (1106, 92380), (1192, 85715), (1240, 82397), (1490, 68572), (1580, 64666), (1736, 58855), (2086, 48980), (2170, 47084), (2212, 46190), (2449, 41720), (2765, 36952), (2980, 34286), (3160, 32333), (4172, 24490), (4340, 23542), (4424, 23095), (4619, 22120), (4898, 20860), (5215, 19592), (5530, 18476), (5960, 17143), (8344, 12245), (8680, 11771), (9238, 11060), (9796, 10430)]