2015977460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{269}}^2$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 4880803200

約数和(自身を除く): 2864825740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 269, 398, 538, 796, 995, 1076, 1345, 1393, 1883, 1990, 2690, 2786, 3766, 3980, 5380, 5572, 6965, 7532, 9415, 13930, 18830, 27860, 37660, 53531, 72361, 107062, 144722, 214124, 267655, 289444, 361805, 374717, 506527, 535310, 723610, 749434, 1013054, 1070620, 1447220, 1498868, 1873585, 2026108, 2532635, 3747170, 5065270, 7494340, 10130540, 14399839, 28799678, 57599356, 71999195, 100798873, 143998390, 201597746, 287996780, 403195492, 503994365, 1007988730, 2015977460]

約数ペア:

[(1, 2015977460), (2, 1007988730), (4, 503994365), (5, 403195492), (7, 287996780), (10, 201597746), (14, 143998390), (20, 100798873), (28, 71999195), (35, 57599356), (70, 28799678), (140, 14399839), (199, 10130540), (269, 7494340), (398, 5065270), (538, 3747170), (796, 2532635), (995, 2026108), (1076, 1873585), (1345, 1498868), (1393, 1447220), (1883, 1070620), (1990, 1013054), (2690, 749434), (2786, 723610), (3766, 535310), (3980, 506527), (5380, 374717), (5572, 361805), (6965, 289444), (7532, 267655), (9415, 214124), (13930, 144722), (18830, 107062), (27860, 72361), (37660, 53531)]