1780494840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{911}}^1$

素因数の和:1078

約数の個数: 192

約数和(自身を含む): 5954083200

約数和(自身を除く): 4173588360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 89, 90, 120, 122, 178, 180, 183, 244, 267, 305, 356, 360, 366, 445, 488, 534, 549, 610, 712, 732, 801, 890, 911, 915, 1068, 1098, 1220, 1335, 1464, 1602, 1780, 1822, 1830, 2136, 2196, 2440, 2670, 2733, 2745, 3204, 3560, 3644, 3660, 4005, 4392, 4555, 5340, 5429, 5466, 5490, 6408, 7288, 7320, 8010, 8199, 9110, 10680, 10858, 10932, 10980, 13665, 16020, 16287, 16398, 18220, 21716, 21864, 21960, 27145, 27330, 32040, 32574, 32796, 36440, 40995, 43432, 48861, 54290, 54660, 55571, 65148, 65592, 81079, 81435, 81990, 97722, 108580, 109320, 111142, 130296, 162158, 162870, 163980, 166713, 195444, 217160, 222284, 243237, 244305, 277855, 324316, 325740, 327960, 333426, 390888, 405395, 444568, 486474, 488610, 500139, 555710, 648632, 651480, 666852, 729711, 810790, 833565, 972948, 977220, 1000278, 1111420, 1216185, 1333704, 1459422, 1621580, 1667130, 1945896, 1954440, 2000556, 2222840, 2432370, 2500695, 2918844, 3243160, 3334260, 3648555, 4001112, 4864740, 4945819, 5001390, 5837688, 6668520, 7297110, 9729480, 9891638, 10002780, 14594220, 14837457, 19783276, 20005560, 24729095, 29188440, 29674914, 39566552, 44512371, 49458190, 59349828, 74187285, 89024742, 98916380, 118699656, 148374570, 178049484, 197832760, 222561855, 296749140, 356098968, 445123710, 593498280, 890247420, 1780494840]

約数ペア:

[(1, 1780494840), (2, 890247420), (3, 593498280), (4, 445123710), (5, 356098968), (6, 296749140), (8, 222561855), (9, 197832760), (10, 178049484), (12, 148374570), (15, 118699656), (18, 98916380), (20, 89024742), (24, 74187285), (30, 59349828), (36, 49458190), (40, 44512371), (45, 39566552), (60, 29674914), (61, 29188440), (72, 24729095), (89, 20005560), (90, 19783276), (120, 14837457), (122, 14594220), (178, 10002780), (180, 9891638), (183, 9729480), (244, 7297110), (267, 6668520), (305, 5837688), (356, 5001390), (360, 4945819), (366, 4864740), (445, 4001112), (488, 3648555), (534, 3334260), (549, 3243160), (610, 2918844), (712, 2500695), (732, 2432370), (801, 2222840), (890, 2000556), (911, 1954440), (915, 1945896), (1068, 1667130), (1098, 1621580), (1220, 1459422), (1335, 1333704), (1464, 1216185), (1602, 1111420), (1780, 1000278), (1822, 977220), (1830, 972948), (2136, 833565), (2196, 810790), (2440, 729711), (2670, 666852), (2733, 651480), (2745, 648632), (3204, 555710), (3560, 500139), (3644, 488610), (3660, 486474), (4005, 444568), (4392, 405395), (4555, 390888), (5340, 333426), (5429, 327960), (5466, 325740), (5490, 324316), (6408, 277855), (7288, 244305), (7320, 243237), (8010, 222284), (8199, 217160), (9110, 195444), (10680, 166713), (10858, 163980), (10932, 162870), (10980, 162158), (13665, 130296), (16020, 111142), (16287, 109320), (16398, 108580), (18220, 97722), (21716, 81990), (21864, 81435), (21960, 81079), (27145, 65592), (27330, 65148), (32040, 55571), (32574, 54660), (32796, 54290), (36440, 48861), (40995, 43432)]