328917680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{45181}}^1$

素因数の和:45214

約数の個数: 80

約数和(自身を含む): 941231424

約数和(自身を除く): 612313744

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 45181, 90362, 180724, 225905, 316267, 361448, 451810, 587353, 632534, 722896, 903620, 1174706, 1265068, 1581335, 1807240, 2349412, 2530136, 2936765, 3162670, 3614480, 4111471, 4698824, 5060272, 5873530, 6325340, 8222942, 9397648, 11747060, 12650680, 16445884, 20557355, 23494120, 25301360, 32891768, 41114710, 46988240, 65783536, 82229420, 164458840, 328917680]

約数ペア:

[(1, 328917680), (2, 164458840), (4, 82229420), (5, 65783536), (7, 46988240), (8, 41114710), (10, 32891768), (13, 25301360), (14, 23494120), (16, 20557355), (20, 16445884), (26, 12650680), (28, 11747060), (35, 9397648), (40, 8222942), (52, 6325340), (56, 5873530), (65, 5060272), (70, 4698824), (80, 4111471), (91, 3614480), (104, 3162670), (112, 2936765), (130, 2530136), (140, 2349412), (182, 1807240), (208, 1581335), (260, 1265068), (280, 1174706), (364, 903620), (455, 722896), (520, 632534), (560, 587353), (728, 451810), (910, 361448), (1040, 316267), (1456, 225905), (1820, 180724), (3640, 90362), (7280, 45181)]