68715220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 173408256

約数和(自身を除く): 104693036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 71, 124, 140, 142, 155, 217, 223, 284, 310, 355, 434, 446, 497, 620, 710, 868, 892, 994, 1085, 1115, 1420, 1561, 1988, 2170, 2201, 2230, 2485, 3122, 4340, 4402, 4460, 4970, 6244, 6913, 7805, 8804, 9940, 11005, 13826, 15407, 15610, 15833, 22010, 27652, 30814, 31220, 31666, 34565, 44020, 48391, 61628, 63332, 69130, 77035, 79165, 96782, 110831, 138260, 154070, 158330, 193564, 221662, 241955, 308140, 316660, 443324, 483910, 490823, 554155, 967820, 981646, 1108310, 1963292, 2216620, 2454115, 3435761, 4908230, 6871522, 9816460, 13743044, 17178805, 34357610, 68715220]

約数ペア:

[(1, 68715220), (2, 34357610), (4, 17178805), (5, 13743044), (7, 9816460), (10, 6871522), (14, 4908230), (20, 3435761), (28, 2454115), (31, 2216620), (35, 1963292), (62, 1108310), (70, 981646), (71, 967820), (124, 554155), (140, 490823), (142, 483910), (155, 443324), (217, 316660), (223, 308140), (284, 241955), (310, 221662), (355, 193564), (434, 158330), (446, 154070), (497, 138260), (620, 110831), (710, 96782), (868, 79165), (892, 77035), (994, 69130), (1085, 63332), (1115, 61628), (1420, 48391), (1561, 44020), (1988, 34565), (2170, 31666), (2201, 31220), (2230, 30814), (2485, 27652), (3122, 22010), (4340, 15833), (4402, 15610), (4460, 15407), (4970, 13826), (6244, 11005), (6913, 9940), (7805, 8804)]