64653960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4051}}^1$

素因数の和:4091

約数の個数: 128

約数和(自身を含む): 233395200

約数和(自身を除く): 168741240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 4051, 5320, 7980, 8102, 12153, 15960, 16204, 20255, 24306, 28357, 32408, 40510, 48612, 56714, 60765, 76969, 81020, 85071, 97224, 113428, 121530, 141785, 153938, 162040, 170142, 226856, 230907, 243060, 283570, 307876, 340284, 384845, 425355, 461814, 486120, 538783, 567140, 615752, 680568, 769690, 850710, 923628, 1077566, 1134280, 1154535, 1539380, 1616349, 1701420, 1847256, 2155132, 2309070, 2693915, 3078760, 3232698, 3402840, 4310264, 4618140, 5387830, 6465396, 8081745, 9236280, 10775660, 12930792, 16163490, 21551320, 32326980, 64653960]

約数ペア:

[(1, 64653960), (2, 32326980), (3, 21551320), (4, 16163490), (5, 12930792), (6, 10775660), (7, 9236280), (8, 8081745), (10, 6465396), (12, 5387830), (14, 4618140), (15, 4310264), (19, 3402840), (20, 3232698), (21, 3078760), (24, 2693915), (28, 2309070), (30, 2155132), (35, 1847256), (38, 1701420), (40, 1616349), (42, 1539380), (56, 1154535), (57, 1134280), (60, 1077566), (70, 923628), (76, 850710), (84, 769690), (95, 680568), (105, 615752), (114, 567140), (120, 538783), (133, 486120), (140, 461814), (152, 425355), (168, 384845), (190, 340284), (210, 307876), (228, 283570), (266, 243060), (280, 230907), (285, 226856), (380, 170142), (399, 162040), (420, 153938), (456, 141785), (532, 121530), (570, 113428), (665, 97224), (760, 85071), (798, 81020), (840, 76969), (1064, 60765), (1140, 56714), (1330, 48612), (1596, 40510), (1995, 32408), (2280, 28357), (2660, 24306), (3192, 20255), (3990, 16204), (4051, 15960), (5320, 12153), (7980, 8102)]