78868852720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{405871}}^1$

素因数の和:406238

約数の個数: 80

約数和(自身を含む): 210170262528

約数和(自身を除く): 131301409808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 347, 560, 694, 1388, 1735, 2429, 2776, 3470, 4858, 5552, 6940, 9716, 12145, 13880, 19432, 24290, 27760, 38864, 48580, 97160, 194320, 405871, 811742, 1623484, 2029355, 2841097, 3246968, 4058710, 5682194, 6493936, 8117420, 11364388, 14205485, 16234840, 22728776, 28410970, 32469680, 45457552, 56821940, 113643880, 140837237, 227287760, 281674474, 563348948, 704186185, 985860659, 1126697896, 1408372370, 1971721318, 2253395792, 2816744740, 3943442636, 4929303295, 5633489480, 7886885272, 9858606590, 11266978960, 15773770544, 19717213180, 39434426360, 78868852720]

約数ペア:

[(1, 78868852720), (2, 39434426360), (4, 19717213180), (5, 15773770544), (7, 11266978960), (8, 9858606590), (10, 7886885272), (14, 5633489480), (16, 4929303295), (20, 3943442636), (28, 2816744740), (35, 2253395792), (40, 1971721318), (56, 1408372370), (70, 1126697896), (80, 985860659), (112, 704186185), (140, 563348948), (280, 281674474), (347, 227287760), (560, 140837237), (694, 113643880), (1388, 56821940), (1735, 45457552), (2429, 32469680), (2776, 28410970), (3470, 22728776), (4858, 16234840), (5552, 14205485), (6940, 11364388), (9716, 8117420), (12145, 6493936), (13880, 5682194), (19432, 4058710), (24290, 3246968), (27760, 2841097), (38864, 2029355), (48580, 1623484), (97160, 811742), (194320, 405871)]