161181020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 192

約数和(自身を含む): 464679936

約数和(自身を除く): 303498916

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 83, 91, 97, 110, 130, 140, 143, 154, 166, 182, 194, 220, 260, 286, 308, 332, 364, 385, 388, 415, 455, 485, 572, 581, 679, 715, 770, 830, 910, 913, 970, 1001, 1067, 1079, 1162, 1261, 1358, 1430, 1540, 1660, 1820, 1826, 1940, 2002, 2134, 2158, 2324, 2522, 2716, 2860, 2905, 3395, 3652, 4004, 4268, 4316, 4565, 5005, 5044, 5335, 5395, 5810, 6305, 6391, 6790, 7469, 7553, 8051, 8827, 9130, 10010, 10670, 10790, 11620, 11869, 12610, 12782, 13580, 13871, 14938, 15106, 16102, 17654, 18260, 20020, 21340, 21580, 23738, 25220, 25564, 27742, 29876, 30212, 31955, 32204, 35308, 37345, 37765, 40255, 44135, 47476, 55484, 56357, 59345, 63910, 69355, 74690, 75530, 80510, 83083, 88270, 88561, 97097, 104663, 112714, 118690, 127820, 138710, 149380, 151060, 161020, 166166, 176540, 177122, 194194, 209326, 225428, 237380, 277420, 281785, 332332, 354244, 388388, 415415, 418652, 442805, 485485, 523315, 563570, 619927, 732641, 830830, 885610, 970970, 1046630, 1127140, 1151293, 1239854, 1465282, 1661660, 1771220, 1941940, 2093260, 2302586, 2479708, 2930564, 3099635, 3663205, 4605172, 5756465, 6199270, 7326410, 8059051, 11512930, 12398540, 14652820, 16118102, 23025860, 32236204, 40295255, 80590510, 161181020]

約数ペア:

[(1, 161181020), (2, 80590510), (4, 40295255), (5, 32236204), (7, 23025860), (10, 16118102), (11, 14652820), (13, 12398540), (14, 11512930), (20, 8059051), (22, 7326410), (26, 6199270), (28, 5756465), (35, 4605172), (44, 3663205), (52, 3099635), (55, 2930564), (65, 2479708), (70, 2302586), (77, 2093260), (83, 1941940), (91, 1771220), (97, 1661660), (110, 1465282), (130, 1239854), (140, 1151293), (143, 1127140), (154, 1046630), (166, 970970), (182, 885610), (194, 830830), (220, 732641), (260, 619927), (286, 563570), (308, 523315), (332, 485485), (364, 442805), (385, 418652), (388, 415415), (415, 388388), (455, 354244), (485, 332332), (572, 281785), (581, 277420), (679, 237380), (715, 225428), (770, 209326), (830, 194194), (910, 177122), (913, 176540), (970, 166166), (1001, 161020), (1067, 151060), (1079, 149380), (1162, 138710), (1261, 127820), (1358, 118690), (1430, 112714), (1540, 104663), (1660, 97097), (1820, 88561), (1826, 88270), (1940, 83083), (2002, 80510), (2134, 75530), (2158, 74690), (2324, 69355), (2522, 63910), (2716, 59345), (2860, 56357), (2905, 55484), (3395, 47476), (3652, 44135), (4004, 40255), (4268, 37765), (4316, 37345), (4565, 35308), (5005, 32204), (5044, 31955), (5335, 30212), (5395, 29876), (5810, 27742), (6305, 25564), (6391, 25220), (6790, 23738), (7469, 21580), (7553, 21340), (8051, 20020), (8827, 18260), (9130, 17654), (10010, 16102), (10670, 15106), (10790, 14938), (11620, 13871), (11869, 13580), (12610, 12782)]