281780700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:828

約数の個数: 144

約数和(自身を含む): 863278080

約数和(自身を除く): 581497380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 41, 50, 60, 62, 75, 82, 93, 100, 123, 124, 150, 155, 164, 186, 205, 246, 300, 310, 372, 410, 465, 492, 615, 620, 739, 775, 820, 930, 1025, 1230, 1271, 1478, 1550, 1860, 2050, 2217, 2325, 2460, 2542, 2956, 3075, 3100, 3695, 3813, 4100, 4434, 4650, 5084, 6150, 6355, 7390, 7626, 8868, 9300, 11085, 12300, 12710, 14780, 15252, 18475, 19065, 22170, 22909, 25420, 30299, 31775, 36950, 38130, 44340, 45818, 55425, 60598, 63550, 68727, 73900, 76260, 90897, 91636, 95325, 110850, 114545, 121196, 127100, 137454, 151495, 181794, 190650, 221700, 229090, 274908, 302990, 343635, 363588, 381300, 454485, 458180, 572725, 605980, 687270, 757475, 908970, 939269, 1145450, 1374540, 1514950, 1718175, 1817940, 1878538, 2272425, 2290900, 2817807, 3029900, 3436350, 3757076, 4544850, 4696345, 5635614, 6872700, 9089700, 9392690, 11271228, 14089035, 18785380, 23481725, 28178070, 46963450, 56356140, 70445175, 93926900, 140890350, 281780700]

約数ペア:

[(1, 281780700), (2, 140890350), (3, 93926900), (4, 70445175), (5, 56356140), (6, 46963450), (10, 28178070), (12, 23481725), (15, 18785380), (20, 14089035), (25, 11271228), (30, 9392690), (31, 9089700), (41, 6872700), (50, 5635614), (60, 4696345), (62, 4544850), (75, 3757076), (82, 3436350), (93, 3029900), (100, 2817807), (123, 2290900), (124, 2272425), (150, 1878538), (155, 1817940), (164, 1718175), (186, 1514950), (205, 1374540), (246, 1145450), (300, 939269), (310, 908970), (372, 757475), (410, 687270), (465, 605980), (492, 572725), (615, 458180), (620, 454485), (739, 381300), (775, 363588), (820, 343635), (930, 302990), (1025, 274908), (1230, 229090), (1271, 221700), (1478, 190650), (1550, 181794), (1860, 151495), (2050, 137454), (2217, 127100), (2325, 121196), (2460, 114545), (2542, 110850), (2956, 95325), (3075, 91636), (3100, 90897), (3695, 76260), (3813, 73900), (4100, 68727), (4434, 63550), (4650, 60598), (5084, 55425), (6150, 45818), (6355, 44340), (7390, 38130), (7626, 36950), (8868, 31775), (9300, 30299), (11085, 25420), (12300, 22909), (12710, 22170), (14780, 19065), (15252, 18475)]