139631440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:189

約数の個数: 160

約数和(自身を含む): 371976192

約数和(自身を除く): 232344752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 61, 62, 65, 71, 80, 104, 122, 124, 130, 142, 155, 208, 244, 248, 260, 284, 305, 310, 355, 403, 488, 496, 520, 568, 610, 620, 710, 793, 806, 923, 976, 1040, 1136, 1220, 1240, 1420, 1586, 1612, 1846, 1891, 2015, 2201, 2440, 2480, 2840, 3172, 3224, 3692, 3782, 3965, 4030, 4331, 4402, 4615, 4880, 5680, 6344, 6448, 7384, 7564, 7930, 8060, 8662, 8804, 9230, 9455, 11005, 12688, 14768, 15128, 15860, 16120, 17324, 17608, 18460, 18910, 21655, 22010, 24583, 28613, 30256, 31720, 32240, 34648, 35216, 36920, 37820, 43310, 44020, 49166, 56303, 57226, 63440, 69296, 73840, 75640, 86620, 88040, 98332, 112606, 114452, 122915, 134261, 143065, 151280, 173240, 176080, 196664, 225212, 228904, 245830, 268522, 281515, 286130, 346480, 393328, 450424, 457808, 491660, 537044, 563030, 572260, 671305, 900848, 983320, 1074088, 1126060, 1144520, 1342610, 1745393, 1966640, 2148176, 2252120, 2289040, 2685220, 3490786, 4504240, 5370440, 6981572, 8726965, 10740880, 13963144, 17453930, 27926288, 34907860, 69815720, 139631440]

約数ペア:

[(1, 139631440), (2, 69815720), (4, 34907860), (5, 27926288), (8, 17453930), (10, 13963144), (13, 10740880), (16, 8726965), (20, 6981572), (26, 5370440), (31, 4504240), (40, 3490786), (52, 2685220), (61, 2289040), (62, 2252120), (65, 2148176), (71, 1966640), (80, 1745393), (104, 1342610), (122, 1144520), (124, 1126060), (130, 1074088), (142, 983320), (155, 900848), (208, 671305), (244, 572260), (248, 563030), (260, 537044), (284, 491660), (305, 457808), (310, 450424), (355, 393328), (403, 346480), (488, 286130), (496, 281515), (520, 268522), (568, 245830), (610, 228904), (620, 225212), (710, 196664), (793, 176080), (806, 173240), (923, 151280), (976, 143065), (1040, 134261), (1136, 122915), (1220, 114452), (1240, 112606), (1420, 98332), (1586, 88040), (1612, 86620), (1846, 75640), (1891, 73840), (2015, 69296), (2201, 63440), (2440, 57226), (2480, 56303), (2840, 49166), (3172, 44020), (3224, 43310), (3692, 37820), (3782, 36920), (3965, 35216), (4030, 34648), (4331, 32240), (4402, 31720), (4615, 30256), (4880, 28613), (5680, 24583), (6344, 22010), (6448, 21655), (7384, 18910), (7564, 18460), (7930, 17608), (8060, 17324), (8662, 16120), (8804, 15860), (9230, 15128), (9455, 14768), (11005, 12688)]