644358480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157931}}^1$

素因数の和:157964

約数の個数: 80

約数和(自身を含む): 2115025344

約数和(自身を除く): 1470666864

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, 157931, 315862, 473793, 631724, 789655, 947586, 1263448, 1579310, 1895172, 2368965, 2526896, 2684827, 3158620, 3790344, 4737930, 5369654, 6317240, 7580688, 8054481, 9475860, 10739308, 12634480, 13424135, 16108962, 18951720, 21478616, 26848270, 32217924, 37903440, 40272405, 42957232, 53696540, 64435848, 80544810, 107393080, 128871696, 161089620, 214786160, 322179240, 644358480]

約数ペア:

[(1, 644358480), (2, 322179240), (3, 214786160), (4, 161089620), (5, 128871696), (6, 107393080), (8, 80544810), (10, 64435848), (12, 53696540), (15, 42957232), (16, 40272405), (17, 37903440), (20, 32217924), (24, 26848270), (30, 21478616), (34, 18951720), (40, 16108962), (48, 13424135), (51, 12634480), (60, 10739308), (68, 9475860), (80, 8054481), (85, 7580688), (102, 6317240), (120, 5369654), (136, 4737930), (170, 3790344), (204, 3158620), (240, 2684827), (255, 2526896), (272, 2368965), (340, 1895172), (408, 1579310), (510, 1263448), (680, 947586), (816, 789655), (1020, 631724), (1360, 473793), (2040, 315862), (4080, 157931)]