79810720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 207821376

約数和(自身を除く): 128010656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 137, 160, 176, 220, 274, 331, 352, 440, 548, 662, 685, 880, 1096, 1324, 1370, 1507, 1655, 1760, 2192, 2648, 2740, 3014, 3310, 3641, 4384, 5296, 5480, 6028, 6620, 7282, 7535, 10592, 10960, 12056, 13240, 14564, 15070, 18205, 21920, 24112, 26480, 29128, 30140, 36410, 45347, 48224, 52960, 58256, 60280, 72820, 90694, 116512, 120560, 145640, 181388, 226735, 241120, 291280, 362776, 453470, 498817, 582560, 725552, 906940, 997634, 1451104, 1813880, 1995268, 2494085, 3627760, 3990536, 4988170, 7255520, 7981072, 9976340, 15962144, 19952680, 39905360, 79810720]

約数ペア:

[(1, 79810720), (2, 39905360), (4, 19952680), (5, 15962144), (8, 9976340), (10, 7981072), (11, 7255520), (16, 4988170), (20, 3990536), (22, 3627760), (32, 2494085), (40, 1995268), (44, 1813880), (55, 1451104), (80, 997634), (88, 906940), (110, 725552), (137, 582560), (160, 498817), (176, 453470), (220, 362776), (274, 291280), (331, 241120), (352, 226735), (440, 181388), (548, 145640), (662, 120560), (685, 116512), (880, 90694), (1096, 72820), (1324, 60280), (1370, 58256), (1507, 52960), (1655, 48224), (1760, 45347), (2192, 36410), (2648, 30140), (2740, 29128), (3014, 26480), (3310, 24112), (3641, 21920), (4384, 18205), (5296, 15070), (5480, 14564), (6028, 13240), (6620, 12056), (7282, 10960), (7535, 10592)]