18978300

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:111

約数の個数: 216

約数和(自身を含む): 68245632

約数和(自身を除く): 49267332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 27, 30, 33, 36, 44, 45, 50, 54, 55, 60, 66, 71, 75, 81, 90, 99, 100, 108, 110, 132, 135, 142, 150, 162, 165, 180, 198, 213, 220, 225, 243, 270, 275, 284, 297, 300, 324, 330, 355, 396, 405, 426, 450, 486, 495, 540, 550, 594, 639, 660, 675, 710, 781, 810, 825, 852, 891, 900, 972, 990, 1065, 1100, 1188, 1215, 1278, 1350, 1420, 1485, 1562, 1620, 1650, 1775, 1782, 1917, 1980, 2025, 2130, 2343, 2430, 2475, 2556, 2673, 2700, 2970, 3124, 3195, 3300, 3550, 3564, 3834, 3905, 4050, 4260, 4455, 4686, 4860, 4950, 5325, 5346, 5751, 5940, 6075, 6390, 7029, 7100, 7425, 7668, 7810, 8100, 8910, 9372, 9585, 9900, 10650, 10692, 11502, 11715, 12150, 12780, 13365, 14058, 14850, 15620, 15975, 17253, 17820, 19170, 19525, 21087, 21300, 22275, 23004, 23430, 24300, 26730, 28116, 28755, 29700, 31950, 34506, 35145, 38340, 39050, 42174, 44550, 46860, 47925, 53460, 57510, 58575, 63261, 63900, 66825, 69012, 70290, 78100, 84348, 86265, 89100, 95850, 105435, 115020, 117150, 126522, 133650, 140580, 143775, 172530, 175725, 189783, 191700, 210870, 234300, 253044, 267300, 287550, 316305, 345060, 351450, 379566, 421740, 431325, 527175, 575100, 632610, 702900, 759132, 862650, 948915, 1054350, 1265220, 1581525, 1725300, 1897830, 2108700, 3163050, 3795660, 4744575, 6326100, 9489150, 18978300]

約数ペア:

[(1, 18978300), (2, 9489150), (3, 6326100), (4, 4744575), (5, 3795660), (6, 3163050), (9, 2108700), (10, 1897830), (11, 1725300), (12, 1581525), (15, 1265220), (18, 1054350), (20, 948915), (22, 862650), (25, 759132), (27, 702900), (30, 632610), (33, 575100), (36, 527175), (44, 431325), (45, 421740), (50, 379566), (54, 351450), (55, 345060), (60, 316305), (66, 287550), (71, 267300), (75, 253044), (81, 234300), (90, 210870), (99, 191700), (100, 189783), (108, 175725), (110, 172530), (132, 143775), (135, 140580), (142, 133650), (150, 126522), (162, 117150), (165, 115020), (180, 105435), (198, 95850), (213, 89100), (220, 86265), (225, 84348), (243, 78100), (270, 70290), (275, 69012), (284, 66825), (297, 63900), (300, 63261), (324, 58575), (330, 57510), (355, 53460), (396, 47925), (405, 46860), (426, 44550), (450, 42174), (486, 39050), (495, 38340), (540, 35145), (550, 34506), (594, 31950), (639, 29700), (660, 28755), (675, 28116), (710, 26730), (781, 24300), (810, 23430), (825, 23004), (852, 22275), (891, 21300), (900, 21087), (972, 19525), (990, 19170), (1065, 17820), (1100, 17253), (1188, 15975), (1215, 15620), (1278, 14850), (1350, 14058), (1420, 13365), (1485, 12780), (1562, 12150), (1620, 11715), (1650, 11502), (1775, 10692), (1782, 10650), (1917, 9900), (1980, 9585), (2025, 9372), (2130, 8910), (2343, 8100), (2430, 7810), (2475, 7668), (2556, 7425), (2673, 7100), (2700, 7029), (2970, 6390), (3124, 6075), (3195, 5940), (3300, 5751), (3550, 5346), (3564, 5325), (3834, 4950), (3905, 4860), (4050, 4686), (4260, 4455)]