649856720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{11393}}^1$

素因数の和:11460

約数の個数: 80

約数和(自身を含む): 1627610112

約数和(自身を除く): 977753392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 1240, 1426, 1840, 2480, 2852, 3565, 5704, 7130, 11393, 11408, 14260, 22786, 28520, 45572, 56965, 57040, 91144, 113930, 182288, 227860, 262039, 353183, 455720, 524078, 706366, 911440, 1048156, 1310195, 1412732, 1765915, 2096312, 2620390, 2825464, 3531830, 4192624, 5240780, 5650928, 7063660, 8123209, 10481560, 14127320, 16246418, 20963120, 28254640, 32492836, 40616045, 64985672, 81232090, 129971344, 162464180, 324928360, 649856720]

約数ペア:

[(1, 649856720), (2, 324928360), (4, 162464180), (5, 129971344), (8, 81232090), (10, 64985672), (16, 40616045), (20, 32492836), (23, 28254640), (31, 20963120), (40, 16246418), (46, 14127320), (62, 10481560), (80, 8123209), (92, 7063660), (115, 5650928), (124, 5240780), (155, 4192624), (184, 3531830), (230, 2825464), (248, 2620390), (310, 2096312), (368, 1765915), (460, 1412732), (496, 1310195), (620, 1048156), (713, 911440), (920, 706366), (1240, 524078), (1426, 455720), (1840, 353183), (2480, 262039), (2852, 227860), (3565, 182288), (5704, 113930), (7130, 91144), (11393, 57040), (11408, 56965), (14260, 45572), (22786, 28520)]