64640700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:381

約数の個数: 144

約数和(自身を含む): 210924000

約数和(自身を除く): 146283300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 89, 90, 100, 108, 135, 150, 178, 180, 225, 267, 269, 270, 300, 356, 445, 450, 534, 538, 540, 675, 801, 807, 890, 900, 1068, 1076, 1335, 1345, 1350, 1602, 1614, 1780, 2225, 2403, 2421, 2670, 2690, 2700, 3204, 3228, 4005, 4035, 4450, 4806, 4842, 5340, 5380, 6675, 6725, 7263, 8010, 8070, 8900, 9612, 9684, 12015, 12105, 13350, 13450, 14526, 16020, 16140, 20025, 20175, 23941, 24030, 24210, 26700, 26900, 29052, 36315, 40050, 40350, 47882, 48060, 48420, 60075, 60525, 71823, 72630, 80100, 80700, 95764, 119705, 120150, 121050, 143646, 145260, 181575, 215469, 239410, 240300, 242100, 287292, 359115, 363150, 430938, 478820, 598525, 646407, 718230, 726300, 861876, 1077345, 1197050, 1292814, 1436460, 1795575, 2154690, 2394100, 2585628, 3232035, 3591150, 4309380, 5386725, 6464070, 7182300, 10773450, 12928140, 16160175, 21546900, 32320350, 64640700]

約数ペア:

[(1, 64640700), (2, 32320350), (3, 21546900), (4, 16160175), (5, 12928140), (6, 10773450), (9, 7182300), (10, 6464070), (12, 5386725), (15, 4309380), (18, 3591150), (20, 3232035), (25, 2585628), (27, 2394100), (30, 2154690), (36, 1795575), (45, 1436460), (50, 1292814), (54, 1197050), (60, 1077345), (75, 861876), (89, 726300), (90, 718230), (100, 646407), (108, 598525), (135, 478820), (150, 430938), (178, 363150), (180, 359115), (225, 287292), (267, 242100), (269, 240300), (270, 239410), (300, 215469), (356, 181575), (445, 145260), (450, 143646), (534, 121050), (538, 120150), (540, 119705), (675, 95764), (801, 80700), (807, 80100), (890, 72630), (900, 71823), (1068, 60525), (1076, 60075), (1335, 48420), (1345, 48060), (1350, 47882), (1602, 40350), (1614, 40050), (1780, 36315), (2225, 29052), (2403, 26900), (2421, 26700), (2670, 24210), (2690, 24030), (2700, 23941), (3204, 20175), (3228, 20025), (4005, 16140), (4035, 16020), (4450, 14526), (4806, 13450), (4842, 13350), (5340, 12105), (5380, 12015), (6675, 9684), (6725, 9612), (7263, 8900), (8010, 8070)]