71121540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1423}}^1$

素因数の和:1466

約数の個数: 144

約数和(自身を含む): 245452032

約数和(自身を除く): 174330492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 420, 476, 490, 510, 588, 595, 714, 735, 833, 980, 1020, 1190, 1423, 1428, 1470, 1666, 1785, 2380, 2499, 2846, 2940, 3332, 3570, 4165, 4269, 4998, 5692, 7115, 7140, 8330, 8538, 9961, 9996, 12495, 14230, 16660, 17076, 19922, 21345, 24191, 24990, 28460, 29883, 39844, 42690, 48382, 49805, 49980, 59766, 69727, 72573, 85380, 96764, 99610, 119532, 120955, 139454, 145146, 149415, 169337, 199220, 209181, 241910, 278908, 290292, 298830, 338674, 348635, 362865, 418362, 483820, 508011, 597660, 677348, 697270, 725730, 836724, 846685, 1016022, 1045905, 1185359, 1394540, 1451460, 1693370, 2032044, 2091810, 2370718, 2540055, 3386740, 3556077, 4183620, 4741436, 5080110, 5926795, 7112154, 10160220, 11853590, 14224308, 17780385, 23707180, 35560770, 71121540]

約数ペア:

[(1, 71121540), (2, 35560770), (3, 23707180), (4, 17780385), (5, 14224308), (6, 11853590), (7, 10160220), (10, 7112154), (12, 5926795), (14, 5080110), (15, 4741436), (17, 4183620), (20, 3556077), (21, 3386740), (28, 2540055), (30, 2370718), (34, 2091810), (35, 2032044), (42, 1693370), (49, 1451460), (51, 1394540), (60, 1185359), (68, 1045905), (70, 1016022), (84, 846685), (85, 836724), (98, 725730), (102, 697270), (105, 677348), (119, 597660), (140, 508011), (147, 483820), (170, 418362), (196, 362865), (204, 348635), (210, 338674), (238, 298830), (245, 290292), (255, 278908), (294, 241910), (340, 209181), (357, 199220), (420, 169337), (476, 149415), (490, 145146), (510, 139454), (588, 120955), (595, 119532), (714, 99610), (735, 96764), (833, 85380), (980, 72573), (1020, 69727), (1190, 59766), (1423, 49980), (1428, 49805), (1470, 48382), (1666, 42690), (1785, 39844), (2380, 29883), (2499, 28460), (2846, 24990), (2940, 24191), (3332, 21345), (3570, 19922), (4165, 17076), (4269, 16660), (4998, 14230), (5692, 12495), (7115, 9996), (7140, 9961), (8330, 8538)]