56509020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:404

約数の個数: 144

約数和(自身を含む): 185159520

約数和(自身を除く): 128650500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 59, 60, 68, 85, 90, 102, 118, 153, 170, 177, 180, 204, 236, 255, 295, 306, 313, 340, 354, 510, 531, 590, 612, 626, 708, 765, 885, 939, 1003, 1020, 1062, 1180, 1252, 1530, 1565, 1770, 1878, 2006, 2124, 2655, 2817, 3009, 3060, 3130, 3540, 3756, 4012, 4695, 5015, 5310, 5321, 5634, 6018, 6260, 9027, 9390, 10030, 10620, 10642, 11268, 12036, 14085, 15045, 15963, 18054, 18467, 18780, 20060, 21284, 26605, 28170, 30090, 31926, 36108, 36934, 45135, 47889, 53210, 55401, 56340, 60180, 63852, 73868, 79815, 90270, 92335, 95778, 106420, 110802, 159630, 166203, 180540, 184670, 191556, 221604, 239445, 277005, 313939, 319260, 332406, 369340, 478890, 554010, 627878, 664812, 831015, 941817, 957780, 1108020, 1255756, 1569695, 1662030, 1883634, 2825451, 3139390, 3324060, 3767268, 4709085, 5650902, 6278780, 9418170, 11301804, 14127255, 18836340, 28254510, 56509020]

約数ペア:

[(1, 56509020), (2, 28254510), (3, 18836340), (4, 14127255), (5, 11301804), (6, 9418170), (9, 6278780), (10, 5650902), (12, 4709085), (15, 3767268), (17, 3324060), (18, 3139390), (20, 2825451), (30, 1883634), (34, 1662030), (36, 1569695), (45, 1255756), (51, 1108020), (59, 957780), (60, 941817), (68, 831015), (85, 664812), (90, 627878), (102, 554010), (118, 478890), (153, 369340), (170, 332406), (177, 319260), (180, 313939), (204, 277005), (236, 239445), (255, 221604), (295, 191556), (306, 184670), (313, 180540), (340, 166203), (354, 159630), (510, 110802), (531, 106420), (590, 95778), (612, 92335), (626, 90270), (708, 79815), (765, 73868), (885, 63852), (939, 60180), (1003, 56340), (1020, 55401), (1062, 53210), (1180, 47889), (1252, 45135), (1530, 36934), (1565, 36108), (1770, 31926), (1878, 30090), (2006, 28170), (2124, 26605), (2655, 21284), (2817, 20060), (3009, 18780), (3060, 18467), (3130, 18054), (3540, 15963), (3756, 15045), (4012, 14085), (4695, 12036), (5015, 11268), (5310, 10642), (5321, 10620), (5634, 10030), (6018, 9390), (6260, 9027)]