72812040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 256

約数和(自身を含む): 267840000

約数和(自身を除く): 195027960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 49, 56, 58, 60, 61, 70, 84, 87, 98, 105, 116, 120, 122, 140, 145, 147, 168, 174, 183, 196, 203, 210, 232, 244, 245, 280, 290, 294, 305, 343, 348, 366, 392, 406, 420, 427, 435, 488, 490, 580, 588, 609, 610, 686, 696, 732, 735, 812, 840, 854, 870, 915, 980, 1015, 1029, 1160, 1176, 1218, 1220, 1281, 1372, 1421, 1464, 1470, 1624, 1708, 1715, 1740, 1769, 1830, 1960, 2030, 2058, 2135, 2436, 2440, 2562, 2744, 2842, 2940, 2989, 3045, 3416, 3430, 3480, 3538, 3660, 4060, 4116, 4263, 4270, 4872, 5124, 5145, 5307, 5684, 5880, 5978, 6090, 6405, 6860, 7076, 7105, 7320, 8120, 8232, 8526, 8540, 8845, 8967, 9947, 10248, 10290, 10614, 11368, 11956, 12180, 12383, 12810, 13720, 14152, 14210, 14945, 17052, 17080, 17690, 17934, 19894, 20580, 20923, 21228, 21315, 23912, 24360, 24766, 25620, 26535, 28420, 29841, 29890, 34104, 35380, 35868, 37149, 39788, 41160, 41846, 42456, 42630, 44835, 49532, 49735, 51240, 53070, 56840, 59682, 59780, 61915, 62769, 70760, 71736, 74298, 79576, 83692, 85260, 86681, 89670, 99064, 99470, 104615, 106140, 119364, 119560, 123830, 125538, 148596, 149205, 167384, 170520, 173362, 179340, 185745, 198940, 209230, 212280, 238728, 247660, 251076, 260043, 297192, 298410, 313845, 346724, 358680, 371490, 397880, 418460, 433405, 495320, 502152, 520086, 596820, 606767, 627690, 693448, 742980, 836920, 866810, 1040172, 1193640, 1213534, 1255380, 1300215, 1485960, 1733620, 1820301, 2080344, 2427068, 2510760, 2600430, 3033835, 3467240, 3640602, 4854136, 5200860, 6067670, 7281204, 9101505, 10401720, 12135340, 14562408, 18203010, 24270680, 36406020, 72812040]

約数ペア:

[(1, 72812040), (2, 36406020), (3, 24270680), (4, 18203010), (5, 14562408), (6, 12135340), (7, 10401720), (8, 9101505), (10, 7281204), (12, 6067670), (14, 5200860), (15, 4854136), (20, 3640602), (21, 3467240), (24, 3033835), (28, 2600430), (29, 2510760), (30, 2427068), (35, 2080344), (40, 1820301), (42, 1733620), (49, 1485960), (56, 1300215), (58, 1255380), (60, 1213534), (61, 1193640), (70, 1040172), (84, 866810), (87, 836920), (98, 742980), (105, 693448), (116, 627690), (120, 606767), (122, 596820), (140, 520086), (145, 502152), (147, 495320), (168, 433405), (174, 418460), (183, 397880), (196, 371490), (203, 358680), (210, 346724), (232, 313845), (244, 298410), (245, 297192), (280, 260043), (290, 251076), (294, 247660), (305, 238728), (343, 212280), (348, 209230), (366, 198940), (392, 185745), (406, 179340), (420, 173362), (427, 170520), (435, 167384), (488, 149205), (490, 148596), (580, 125538), (588, 123830), (609, 119560), (610, 119364), (686, 106140), (696, 104615), (732, 99470), (735, 99064), (812, 89670), (840, 86681), (854, 85260), (870, 83692), (915, 79576), (980, 74298), (1015, 71736), (1029, 70760), (1160, 62769), (1176, 61915), (1218, 59780), (1220, 59682), (1281, 56840), (1372, 53070), (1421, 51240), (1464, 49735), (1470, 49532), (1624, 44835), (1708, 42630), (1715, 42456), (1740, 41846), (1769, 41160), (1830, 39788), (1960, 37149), (2030, 35868), (2058, 35380), (2135, 34104), (2436, 29890), (2440, 29841), (2562, 28420), (2744, 26535), (2842, 25620), (2940, 24766), (2989, 24360), (3045, 23912), (3416, 21315), (3430, 21228), (3480, 20923), (3538, 20580), (3660, 19894), (4060, 17934), (4116, 17690), (4263, 17080), (4270, 17052), (4872, 14945), (5124, 14210), (5145, 14152), (5307, 13720), (5684, 12810), (5880, 12383), (5978, 12180), (6090, 11956), (6405, 11368), (6860, 10614), (7076, 10290), (7105, 10248), (7320, 9947), (8120, 8967), (8232, 8845), (8526, 8540)]