172040820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21559}}^1$

素因数の和:21597

約数の個数: 96

約数和(自身を含む): 579532800

約数和(自身を除く): 407491980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 21559, 43118, 64677, 86236, 107795, 129354, 150913, 215590, 258708, 301826, 323385, 409621, 431180, 452739, 603652, 646770, 754565, 819242, 905478, 1228863, 1293540, 1509130, 1638484, 1810956, 2048105, 2263695, 2457726, 2867347, 3018260, 4096210, 4527390, 4915452, 5734694, 6144315, 8192420, 8602041, 9054780, 11469388, 12288630, 14336735, 17204082, 24577260, 28673470, 34408164, 43010205, 57346940, 86020410, 172040820]

約数ペア:

[(1, 172040820), (2, 86020410), (3, 57346940), (4, 43010205), (5, 34408164), (6, 28673470), (7, 24577260), (10, 17204082), (12, 14336735), (14, 12288630), (15, 11469388), (19, 9054780), (20, 8602041), (21, 8192420), (28, 6144315), (30, 5734694), (35, 4915452), (38, 4527390), (42, 4096210), (57, 3018260), (60, 2867347), (70, 2457726), (76, 2263695), (84, 2048105), (95, 1810956), (105, 1638484), (114, 1509130), (133, 1293540), (140, 1228863), (190, 905478), (210, 819242), (228, 754565), (266, 646770), (285, 603652), (380, 452739), (399, 431180), (420, 409621), (532, 323385), (570, 301826), (665, 258708), (798, 215590), (1140, 150913), (1330, 129354), (1596, 107795), (1995, 86236), (2660, 64677), (3990, 43118), (7980, 21559)]