72138480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17681}}^1$

素因数の和:17714

約数の個数: 80

約数和(自身を含む): 236797344

約数和(自身を除く): 164658864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 17681, 35362, 53043, 70724, 88405, 106086, 141448, 176810, 212172, 265215, 282896, 300577, 353620, 424344, 530430, 601154, 707240, 848688, 901731, 1060860, 1202308, 1414480, 1502885, 1803462, 2121720, 2404616, 3005770, 3606924, 4243440, 4508655, 4809232, 6011540, 7213848, 9017310, 12023080, 14427696, 18034620, 24046160, 36069240, 72138480]

約数ペア:

[(1, 72138480), (2, 36069240), (3, 24046160), (4, 18034620), (5, 14427696), (6, 12023080), (8, 9017310), (10, 7213848), (12, 6011540), (15, 4809232), (16, 4508655), (17, 4243440), (20, 3606924), (24, 3005770), (30, 2404616), (34, 2121720), (40, 1803462), (48, 1502885), (51, 1414480), (60, 1202308), (68, 1060860), (80, 901731), (85, 848688), (102, 707240), (120, 601154), (136, 530430), (170, 424344), (204, 353620), (240, 300577), (255, 282896), (272, 265215), (340, 212172), (408, 176810), (510, 141448), (680, 106086), (816, 88405), (1020, 70724), (1360, 53043), (2040, 35362), (4080, 17681)]