71513960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 192844800

約数和(自身を除く): 121330840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 61, 70, 79, 106, 122, 140, 158, 212, 244, 265, 280, 305, 316, 371, 395, 424, 427, 488, 530, 553, 610, 632, 742, 790, 854, 1060, 1106, 1220, 1484, 1580, 1708, 1855, 2120, 2135, 2212, 2440, 2765, 2968, 3160, 3233, 3416, 3710, 4187, 4270, 4424, 4819, 5530, 6466, 7420, 8374, 8540, 9638, 11060, 12932, 14840, 16165, 16748, 17080, 19276, 20935, 22120, 22631, 24095, 25864, 29309, 32330, 33496, 33733, 38552, 41870, 45262, 48190, 58618, 64660, 67466, 83740, 90524, 96380, 113155, 117236, 129320, 134932, 146545, 167480, 168665, 181048, 192760, 226310, 234472, 255407, 269864, 293090, 337330, 452620, 510814, 586180, 674660, 905240, 1021628, 1172360, 1277035, 1349320, 1787849, 2043256, 2554070, 3575698, 5108140, 7151396, 8939245, 10216280, 14302792, 17878490, 35756980, 71513960]

約数ペア:

[(1, 71513960), (2, 35756980), (4, 17878490), (5, 14302792), (7, 10216280), (8, 8939245), (10, 7151396), (14, 5108140), (20, 3575698), (28, 2554070), (35, 2043256), (40, 1787849), (53, 1349320), (56, 1277035), (61, 1172360), (70, 1021628), (79, 905240), (106, 674660), (122, 586180), (140, 510814), (158, 452620), (212, 337330), (244, 293090), (265, 269864), (280, 255407), (305, 234472), (316, 226310), (371, 192760), (395, 181048), (424, 168665), (427, 167480), (488, 146545), (530, 134932), (553, 129320), (610, 117236), (632, 113155), (742, 96380), (790, 90524), (854, 83740), (1060, 67466), (1106, 64660), (1220, 58618), (1484, 48190), (1580, 45262), (1708, 41870), (1855, 38552), (2120, 33733), (2135, 33496), (2212, 32330), (2440, 29309), (2765, 25864), (2968, 24095), (3160, 22631), (3233, 22120), (3416, 20935), (3710, 19276), (4187, 17080), (4270, 16748), (4424, 16165), (4819, 14840), (5530, 12932), (6466, 11060), (7420, 9638), (8374, 8540)]