28419240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13931}}^1$

素因数の和:13962

約数の個数: 64

約数和(自身を含む): 90279360

約数和(自身を除く): 61860120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 13931, 27862, 41793, 55724, 69655, 83586, 111448, 139310, 167172, 208965, 236827, 278620, 334344, 417930, 473654, 557240, 710481, 835860, 947308, 1184135, 1420962, 1671720, 1894616, 2368270, 2841924, 3552405, 4736540, 5683848, 7104810, 9473080, 14209620, 28419240]

約数ペア:

[(1, 28419240), (2, 14209620), (3, 9473080), (4, 7104810), (5, 5683848), (6, 4736540), (8, 3552405), (10, 2841924), (12, 2368270), (15, 1894616), (17, 1671720), (20, 1420962), (24, 1184135), (30, 947308), (34, 835860), (40, 710481), (51, 557240), (60, 473654), (68, 417930), (85, 334344), (102, 278620), (120, 236827), (136, 208965), (170, 167172), (204, 139310), (255, 111448), (340, 83586), (408, 69655), (510, 55724), (680, 41793), (1020, 27862), (2040, 13931)]