128657340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:561

約数の個数: 216

約数和(自身を含む): 470564640

約数和(自身を除く): 341907300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 49, 58, 60, 63, 70, 84, 87, 90, 98, 105, 116, 126, 140, 145, 147, 174, 180, 196, 203, 210, 245, 252, 261, 290, 294, 315, 348, 406, 420, 435, 441, 490, 503, 522, 580, 588, 609, 630, 735, 812, 870, 882, 980, 1006, 1015, 1044, 1218, 1260, 1305, 1421, 1470, 1509, 1740, 1764, 1827, 2012, 2030, 2205, 2436, 2515, 2610, 2842, 2940, 3018, 3045, 3521, 3654, 4060, 4263, 4410, 4527, 5030, 5220, 5684, 6036, 6090, 7042, 7105, 7308, 7545, 8526, 8820, 9054, 9135, 10060, 10563, 12180, 12789, 14084, 14210, 14587, 15090, 17052, 17605, 18108, 18270, 21126, 21315, 22635, 24647, 25578, 28420, 29174, 30180, 31689, 35210, 36540, 42252, 42630, 43761, 45270, 49294, 51156, 52815, 58348, 63378, 63945, 70420, 72935, 73941, 85260, 87522, 90540, 98588, 102109, 105630, 123235, 126756, 127890, 131283, 145870, 147882, 158445, 175044, 204218, 211260, 218805, 221823, 246470, 255780, 262566, 291740, 295764, 306327, 316890, 369705, 408436, 437610, 443646, 492940, 510545, 525132, 612654, 633780, 656415, 714763, 739410, 875220, 887292, 918981, 1021090, 1109115, 1225308, 1312830, 1429526, 1478820, 1531635, 1837962, 2042180, 2144289, 2218230, 2625660, 2859052, 3063270, 3573815, 3675924, 4288578, 4436460, 4594905, 6126540, 6432867, 7147630, 8577156, 9189810, 10721445, 12865734, 14295260, 18379620, 21442890, 25731468, 32164335, 42885780, 64328670, 128657340]

約数ペア:

[(1, 128657340), (2, 64328670), (3, 42885780), (4, 32164335), (5, 25731468), (6, 21442890), (7, 18379620), (9, 14295260), (10, 12865734), (12, 10721445), (14, 9189810), (15, 8577156), (18, 7147630), (20, 6432867), (21, 6126540), (28, 4594905), (29, 4436460), (30, 4288578), (35, 3675924), (36, 3573815), (42, 3063270), (45, 2859052), (49, 2625660), (58, 2218230), (60, 2144289), (63, 2042180), (70, 1837962), (84, 1531635), (87, 1478820), (90, 1429526), (98, 1312830), (105, 1225308), (116, 1109115), (126, 1021090), (140, 918981), (145, 887292), (147, 875220), (174, 739410), (180, 714763), (196, 656415), (203, 633780), (210, 612654), (245, 525132), (252, 510545), (261, 492940), (290, 443646), (294, 437610), (315, 408436), (348, 369705), (406, 316890), (420, 306327), (435, 295764), (441, 291740), (490, 262566), (503, 255780), (522, 246470), (580, 221823), (588, 218805), (609, 211260), (630, 204218), (735, 175044), (812, 158445), (870, 147882), (882, 145870), (980, 131283), (1006, 127890), (1015, 126756), (1044, 123235), (1218, 105630), (1260, 102109), (1305, 98588), (1421, 90540), (1470, 87522), (1509, 85260), (1740, 73941), (1764, 72935), (1827, 70420), (2012, 63945), (2030, 63378), (2205, 58348), (2436, 52815), (2515, 51156), (2610, 49294), (2842, 45270), (2940, 43761), (3018, 42630), (3045, 42252), (3521, 36540), (3654, 35210), (4060, 31689), (4263, 30180), (4410, 29174), (4527, 28420), (5030, 25578), (5220, 24647), (5684, 22635), (6036, 21315), (6090, 21126), (7042, 18270), (7105, 18108), (7308, 17605), (7545, 17052), (8526, 15090), (8820, 14587), (9054, 14210), (9135, 14084), (10060, 12789), (10563, 12180)]