61601820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:960

約数の個数: 144

約数和(自身を含む): 209599488

約数和(自身を除く): 147997668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 911, 966, 980, 1127, 1380, 1470, 1610, 1822, 1932, 2254, 2415, 2733, 2940, 3220, 3381, 3644, 4508, 4555, 4830, 5466, 5635, 6377, 6762, 9110, 9660, 10932, 11270, 12754, 13524, 13665, 16905, 18220, 19131, 20953, 22540, 25508, 27330, 31885, 33810, 38262, 41906, 44639, 54660, 62859, 63770, 67620, 76524, 83812, 89278, 95655, 104765, 125718, 127540, 133917, 146671, 178556, 191310, 209530, 223195, 251436, 267834, 293342, 314295, 382620, 419060, 440013, 446390, 535668, 586684, 628590, 669585, 733355, 880026, 892780, 1026697, 1257180, 1339170, 1466710, 1760052, 2053394, 2200065, 2678340, 2933420, 3080091, 4106788, 4400130, 5133485, 6160182, 8800260, 10266970, 12320364, 15400455, 20533940, 30800910, 61601820]

約数ペア:

[(1, 61601820), (2, 30800910), (3, 20533940), (4, 15400455), (5, 12320364), (6, 10266970), (7, 8800260), (10, 6160182), (12, 5133485), (14, 4400130), (15, 4106788), (20, 3080091), (21, 2933420), (23, 2678340), (28, 2200065), (30, 2053394), (35, 1760052), (42, 1466710), (46, 1339170), (49, 1257180), (60, 1026697), (69, 892780), (70, 880026), (84, 733355), (92, 669585), (98, 628590), (105, 586684), (115, 535668), (138, 446390), (140, 440013), (147, 419060), (161, 382620), (196, 314295), (210, 293342), (230, 267834), (245, 251436), (276, 223195), (294, 209530), (322, 191310), (345, 178556), (420, 146671), (460, 133917), (483, 127540), (490, 125718), (588, 104765), (644, 95655), (690, 89278), (735, 83812), (805, 76524), (911, 67620), (966, 63770), (980, 62859), (1127, 54660), (1380, 44639), (1470, 41906), (1610, 38262), (1822, 33810), (1932, 31885), (2254, 27330), (2415, 25508), (2733, 22540), (2940, 20953), (3220, 19131), (3381, 18220), (3644, 16905), (4508, 13665), (4555, 13524), (4830, 12754), (5466, 11270), (5635, 10932), (6377, 9660), (6762, 9110)]