320540400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{269}}^1\times {\mathrm{331}}^1$

素因数の和:624

約数の個数: 180

約数和(自身を含む): 1119872520

約数和(自身を除く): 799332120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 269, 300, 331, 360, 400, 450, 538, 600, 662, 720, 807, 900, 993, 1076, 1200, 1324, 1345, 1614, 1655, 1800, 1986, 2152, 2421, 2648, 2690, 2979, 3228, 3310, 3600, 3972, 4035, 4304, 4842, 4965, 5296, 5380, 5958, 6456, 6620, 6725, 7944, 8070, 8275, 9684, 9930, 10760, 11916, 12105, 12912, 13240, 13450, 14895, 15888, 16140, 16550, 19368, 19860, 20175, 21520, 23832, 24210, 24825, 26480, 26900, 29790, 32280, 33100, 38736, 39720, 40350, 47664, 48420, 49650, 53800, 59580, 60525, 64560, 66200, 74475, 79440, 80700, 89039, 96840, 99300, 107600, 119160, 121050, 132400, 148950, 161400, 178078, 193680, 198600, 238320, 242100, 267117, 297900, 322800, 356156, 397200, 445195, 484200, 534234, 595800, 712312, 801351, 890390, 968400, 1068468, 1191600, 1335585, 1424624, 1602702, 1780780, 2136936, 2225975, 2671170, 3205404, 3561560, 4006755, 4273872, 4451950, 5342340, 6410808, 6677925, 7123120, 8013510, 8903900, 10684680, 12821616, 13355850, 16027020, 17807800, 20033775, 21369360, 26711700, 32054040, 35615600, 40067550, 53423400, 64108080, 80135100, 106846800, 160270200, 320540400]

約数ペア:

[(1, 320540400), (2, 160270200), (3, 106846800), (4, 80135100), (5, 64108080), (6, 53423400), (8, 40067550), (9, 35615600), (10, 32054040), (12, 26711700), (15, 21369360), (16, 20033775), (18, 17807800), (20, 16027020), (24, 13355850), (25, 12821616), (30, 10684680), (36, 8903900), (40, 8013510), (45, 7123120), (48, 6677925), (50, 6410808), (60, 5342340), (72, 4451950), (75, 4273872), (80, 4006755), (90, 3561560), (100, 3205404), (120, 2671170), (144, 2225975), (150, 2136936), (180, 1780780), (200, 1602702), (225, 1424624), (240, 1335585), (269, 1191600), (300, 1068468), (331, 968400), (360, 890390), (400, 801351), (450, 712312), (538, 595800), (600, 534234), (662, 484200), (720, 445195), (807, 397200), (900, 356156), (993, 322800), (1076, 297900), (1200, 267117), (1324, 242100), (1345, 238320), (1614, 198600), (1655, 193680), (1800, 178078), (1986, 161400), (2152, 148950), (2421, 132400), (2648, 121050), (2690, 119160), (2979, 107600), (3228, 99300), (3310, 96840), (3600, 89039), (3972, 80700), (4035, 79440), (4304, 74475), (4842, 66200), (4965, 64560), (5296, 60525), (5380, 59580), (5958, 53800), (6456, 49650), (6620, 48420), (6725, 47664), (7944, 40350), (8070, 39720), (8275, 38736), (9684, 33100), (9930, 32280), (10760, 29790), (11916, 26900), (12105, 26480), (12912, 24825), (13240, 24210), (13450, 23832), (14895, 21520), (15888, 20175), (16140, 19860), (16550, 19368)]