72920790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 205632000

約数和(自身を除く): 132711210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 67, 87, 90, 134, 135, 139, 145, 174, 201, 261, 270, 278, 290, 335, 402, 417, 435, 522, 603, 670, 695, 783, 834, 870, 1005, 1206, 1251, 1305, 1390, 1566, 1809, 1943, 2010, 2085, 2502, 2610, 3015, 3618, 3753, 3886, 3915, 4031, 4170, 5829, 6030, 6255, 7506, 7830, 8062, 9045, 9313, 9715, 11658, 12093, 12510, 17487, 18090, 18626, 18765, 19430, 20155, 24186, 27939, 29145, 34974, 36279, 37530, 40310, 46565, 52461, 55878, 58290, 60465, 72558, 83817, 87435, 93130, 104922, 108837, 120930, 139695, 167634, 174870, 181395, 217674, 251451, 262305, 270077, 279390, 362790, 419085, 502902, 524610, 540154, 544185, 810231, 838170, 1088370, 1257255, 1350385, 1620462, 2430693, 2514510, 2700770, 4051155, 4861386, 7292079, 8102310, 12153465, 14584158, 24306930, 36460395, 72920790]

約数ペア:

[(1, 72920790), (2, 36460395), (3, 24306930), (5, 14584158), (6, 12153465), (9, 8102310), (10, 7292079), (15, 4861386), (18, 4051155), (27, 2700770), (29, 2514510), (30, 2430693), (45, 1620462), (54, 1350385), (58, 1257255), (67, 1088370), (87, 838170), (90, 810231), (134, 544185), (135, 540154), (139, 524610), (145, 502902), (174, 419085), (201, 362790), (261, 279390), (270, 270077), (278, 262305), (290, 251451), (335, 217674), (402, 181395), (417, 174870), (435, 167634), (522, 139695), (603, 120930), (670, 108837), (695, 104922), (783, 93130), (834, 87435), (870, 83817), (1005, 72558), (1206, 60465), (1251, 58290), (1305, 55878), (1390, 52461), (1566, 46565), (1809, 40310), (1943, 37530), (2010, 36279), (2085, 34974), (2502, 29145), (2610, 27939), (3015, 24186), (3618, 20155), (3753, 19430), (3886, 18765), (3915, 18626), (4031, 18090), (4170, 17487), (5829, 12510), (6030, 12093), (6255, 11658), (7506, 9715), (7830, 9313), (8062, 9045)]