161136990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{599}}^1$

素因数の和:687

約数の個数: 144

約数和(自身を含む): 496173600

約数和(自身を除く): 335036610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 61, 63, 70, 90, 98, 105, 122, 126, 147, 183, 210, 245, 294, 305, 315, 366, 427, 441, 490, 549, 599, 610, 630, 735, 854, 882, 915, 1098, 1198, 1281, 1470, 1797, 1830, 2135, 2205, 2562, 2745, 2989, 2995, 3594, 3843, 4193, 4270, 4410, 5391, 5490, 5978, 5990, 6405, 7686, 8386, 8967, 8985, 10782, 12579, 12810, 14945, 17934, 17970, 19215, 20965, 25158, 26901, 26955, 29351, 29890, 36539, 37737, 38430, 41930, 44835, 53802, 53910, 58702, 62895, 73078, 75474, 88053, 89670, 109617, 125790, 134505, 146755, 176106, 182695, 188685, 219234, 255773, 264159, 269010, 293510, 328851, 365390, 377370, 440265, 511546, 528318, 548085, 657702, 767319, 880530, 1096170, 1278865, 1320795, 1534638, 1644255, 1790411, 2301957, 2557730, 2641590, 3288510, 3580822, 3836595, 4603914, 5371233, 7673190, 8952055, 10742466, 11509785, 16113699, 17904110, 23019570, 26856165, 32227398, 53712330, 80568495, 161136990]

約数ペア:

[(1, 161136990), (2, 80568495), (3, 53712330), (5, 32227398), (6, 26856165), (7, 23019570), (9, 17904110), (10, 16113699), (14, 11509785), (15, 10742466), (18, 8952055), (21, 7673190), (30, 5371233), (35, 4603914), (42, 3836595), (45, 3580822), (49, 3288510), (61, 2641590), (63, 2557730), (70, 2301957), (90, 1790411), (98, 1644255), (105, 1534638), (122, 1320795), (126, 1278865), (147, 1096170), (183, 880530), (210, 767319), (245, 657702), (294, 548085), (305, 528318), (315, 511546), (366, 440265), (427, 377370), (441, 365390), (490, 328851), (549, 293510), (599, 269010), (610, 264159), (630, 255773), (735, 219234), (854, 188685), (882, 182695), (915, 176106), (1098, 146755), (1198, 134505), (1281, 125790), (1470, 109617), (1797, 89670), (1830, 88053), (2135, 75474), (2205, 73078), (2562, 62895), (2745, 58702), (2989, 53910), (2995, 53802), (3594, 44835), (3843, 41930), (4193, 38430), (4270, 37737), (4410, 36539), (5391, 29890), (5490, 29351), (5978, 26955), (5990, 26901), (6405, 25158), (7686, 20965), (8386, 19215), (8967, 17970), (8985, 17934), (10782, 14945), (12579, 12810)]