72844720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:902

約数の個数: 80

約数和(自身を含む): 184675680

約数和(自身を除く): 111830960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 445, 520, 712, 787, 890, 1040, 1157, 1424, 1574, 1780, 2314, 3148, 3560, 3935, 4628, 5785, 6296, 7120, 7870, 9256, 10231, 11570, 12592, 15740, 18512, 20462, 23140, 31480, 40924, 46280, 51155, 62960, 70043, 81848, 92560, 102310, 140086, 163696, 204620, 280172, 350215, 409240, 560344, 700430, 818480, 910559, 1120688, 1400860, 1821118, 2801720, 3642236, 4552795, 5603440, 7284472, 9105590, 14568944, 18211180, 36422360, 72844720]

約数ペア:

[(1, 72844720), (2, 36422360), (4, 18211180), (5, 14568944), (8, 9105590), (10, 7284472), (13, 5603440), (16, 4552795), (20, 3642236), (26, 2801720), (40, 1821118), (52, 1400860), (65, 1120688), (80, 910559), (89, 818480), (104, 700430), (130, 560344), (178, 409240), (208, 350215), (260, 280172), (356, 204620), (445, 163696), (520, 140086), (712, 102310), (787, 92560), (890, 81848), (1040, 70043), (1157, 62960), (1424, 51155), (1574, 46280), (1780, 40924), (2314, 31480), (3148, 23140), (3560, 20462), (3935, 18512), (4628, 15740), (5785, 12592), (6296, 11570), (7120, 10231), (7870, 9256)]