211357320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 657296640

約数和(自身を除く): 445939320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 181, 185, 222, 263, 296, 362, 370, 444, 526, 543, 555, 724, 740, 789, 888, 905, 1052, 1086, 1110, 1315, 1448, 1480, 1578, 1810, 2104, 2172, 2220, 2630, 2715, 3156, 3620, 3945, 4344, 4440, 5260, 5430, 6312, 6697, 7240, 7890, 9731, 10520, 10860, 13394, 15780, 19462, 20091, 21720, 26788, 29193, 31560, 33485, 38924, 40182, 47603, 48655, 53576, 58386, 66970, 77848, 80364, 95206, 97310, 100455, 116772, 133940, 142809, 145965, 160728, 190412, 194620, 200910, 233544, 238015, 267880, 285618, 291930, 380824, 389240, 401820, 476030, 571236, 583860, 714045, 803640, 952060, 1142472, 1167720, 1428090, 1761311, 1904120, 2856180, 3522622, 5283933, 5712360, 7045244, 8806555, 10567866, 14090488, 17613110, 21135732, 26419665, 35226220, 42271464, 52839330, 70452440, 105678660, 211357320]

約数ペア:

[(1, 211357320), (2, 105678660), (3, 70452440), (4, 52839330), (5, 42271464), (6, 35226220), (8, 26419665), (10, 21135732), (12, 17613110), (15, 14090488), (20, 10567866), (24, 8806555), (30, 7045244), (37, 5712360), (40, 5283933), (60, 3522622), (74, 2856180), (111, 1904120), (120, 1761311), (148, 1428090), (181, 1167720), (185, 1142472), (222, 952060), (263, 803640), (296, 714045), (362, 583860), (370, 571236), (444, 476030), (526, 401820), (543, 389240), (555, 380824), (724, 291930), (740, 285618), (789, 267880), (888, 238015), (905, 233544), (1052, 200910), (1086, 194620), (1110, 190412), (1315, 160728), (1448, 145965), (1480, 142809), (1578, 133940), (1810, 116772), (2104, 100455), (2172, 97310), (2220, 95206), (2630, 80364), (2715, 77848), (3156, 66970), (3620, 58386), (3945, 53576), (4344, 48655), (4440, 47603), (5260, 40182), (5430, 38924), (6312, 33485), (6697, 31560), (7240, 29193), (7890, 26788), (9731, 21720), (10520, 20091), (10860, 19462), (13394, 15780)]