1649793990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71699}}^1$

素因数の和:71781

約数の個数: 64

約数和(自身を含む): 4336416000

約数和(自身を除く): 2686622010

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 59, 65, 78, 118, 130, 177, 195, 295, 354, 390, 590, 767, 885, 1534, 1770, 2301, 3835, 4602, 7670, 11505, 23010, 71699, 143398, 215097, 358495, 430194, 716990, 932087, 1075485, 1864174, 2150970, 2796261, 4230241, 4660435, 5592522, 8460482, 9320870, 12690723, 13981305, 21151205, 25381446, 27962610, 42302410, 54993133, 63453615, 109986266, 126907230, 164979399, 274965665, 329958798, 549931330, 824896995, 1649793990]

約数ペア:

[(1, 1649793990), (2, 824896995), (3, 549931330), (5, 329958798), (6, 274965665), (10, 164979399), (13, 126907230), (15, 109986266), (26, 63453615), (30, 54993133), (39, 42302410), (59, 27962610), (65, 25381446), (78, 21151205), (118, 13981305), (130, 12690723), (177, 9320870), (195, 8460482), (295, 5592522), (354, 4660435), (390, 4230241), (590, 2796261), (767, 2150970), (885, 1864174), (1534, 1075485), (1770, 932087), (2301, 716990), (3835, 430194), (4602, 358495), (7670, 215097), (11505, 143398), (23010, 71699)]