278360940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{32443}}^1$

素因数の和:32479

約数の個数: 96

約数和(自身を含む): 915699456

約数和(自身を除く): 637338516

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2860, 4290, 8580, 32443, 64886, 97329, 129772, 162215, 194658, 324430, 356873, 389316, 421759, 486645, 648860, 713746, 843518, 973290, 1070619, 1265277, 1427492, 1687036, 1784365, 1946580, 2108795, 2141238, 2530554, 3568730, 4217590, 4282476, 4639349, 5061108, 5353095, 6326385, 7137460, 8435180, 9278698, 10706190, 12652770, 13918047, 18557396, 21412380, 23196745, 25305540, 27836094, 46393490, 55672188, 69590235, 92786980, 139180470, 278360940]

約数ペア:

[(1, 278360940), (2, 139180470), (3, 92786980), (4, 69590235), (5, 55672188), (6, 46393490), (10, 27836094), (11, 25305540), (12, 23196745), (13, 21412380), (15, 18557396), (20, 13918047), (22, 12652770), (26, 10706190), (30, 9278698), (33, 8435180), (39, 7137460), (44, 6326385), (52, 5353095), (55, 5061108), (60, 4639349), (65, 4282476), (66, 4217590), (78, 3568730), (110, 2530554), (130, 2141238), (132, 2108795), (143, 1946580), (156, 1784365), (165, 1687036), (195, 1427492), (220, 1265277), (260, 1070619), (286, 973290), (330, 843518), (390, 713746), (429, 648860), (572, 486645), (660, 421759), (715, 389316), (780, 356873), (858, 324430), (1430, 194658), (1716, 162215), (2145, 129772), (2860, 97329), (4290, 64886), (8580, 32443)]