168797720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:697

約数の個数: 128

約数和(自身を含む): 474163200

約数和(自身を除く): 305365480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 79, 91, 104, 130, 140, 158, 182, 260, 280, 316, 364, 395, 455, 520, 553, 587, 632, 728, 790, 910, 1027, 1106, 1174, 1580, 1820, 2054, 2212, 2348, 2765, 2935, 3160, 3640, 4108, 4109, 4424, 4696, 5135, 5530, 5870, 7189, 7631, 8216, 8218, 10270, 11060, 11740, 14378, 15262, 16436, 20540, 20545, 22120, 23480, 28756, 30524, 32872, 35945, 38155, 41080, 41090, 46373, 53417, 57512, 61048, 71890, 76310, 82180, 92746, 106834, 143780, 152620, 164360, 185492, 213668, 231865, 267085, 287560, 305240, 324611, 370984, 427336, 463730, 534170, 602849, 649222, 927460, 1068340, 1205698, 1298444, 1623055, 1854920, 2136680, 2411396, 2596888, 3014245, 3246110, 4219943, 4822792, 6028490, 6492220, 8439886, 12056980, 12984440, 16879772, 21099715, 24113960, 33759544, 42199430, 84398860, 168797720]

約数ペア:

[(1, 168797720), (2, 84398860), (4, 42199430), (5, 33759544), (7, 24113960), (8, 21099715), (10, 16879772), (13, 12984440), (14, 12056980), (20, 8439886), (26, 6492220), (28, 6028490), (35, 4822792), (40, 4219943), (52, 3246110), (56, 3014245), (65, 2596888), (70, 2411396), (79, 2136680), (91, 1854920), (104, 1623055), (130, 1298444), (140, 1205698), (158, 1068340), (182, 927460), (260, 649222), (280, 602849), (316, 534170), (364, 463730), (395, 427336), (455, 370984), (520, 324611), (553, 305240), (587, 287560), (632, 267085), (728, 231865), (790, 213668), (910, 185492), (1027, 164360), (1106, 152620), (1174, 143780), (1580, 106834), (1820, 92746), (2054, 82180), (2212, 76310), (2348, 71890), (2765, 61048), (2935, 57512), (3160, 53417), (3640, 46373), (4108, 41090), (4109, 41080), (4424, 38155), (4696, 35945), (5135, 32872), (5530, 30524), (5870, 28756), (7189, 23480), (7631, 22120), (8216, 20545), (8218, 20540), (10270, 16436), (11060, 15262), (11740, 14378)]