256218300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:453

約数の個数: 216

約数和(自身を含む): 881506080

約数和(自身を除く): 625287780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 61, 65, 75, 78, 90, 100, 117, 122, 130, 150, 156, 180, 183, 195, 225, 234, 244, 260, 300, 305, 325, 359, 366, 390, 450, 468, 549, 585, 610, 650, 718, 732, 780, 793, 900, 915, 975, 1077, 1098, 1170, 1220, 1300, 1436, 1525, 1586, 1795, 1830, 1950, 2154, 2196, 2340, 2379, 2745, 2925, 3050, 3172, 3231, 3590, 3660, 3900, 3965, 4308, 4575, 4667, 4758, 5385, 5490, 5850, 6100, 6462, 7137, 7180, 7930, 8975, 9150, 9334, 9516, 10770, 10980, 11700, 11895, 12924, 13725, 14001, 14274, 15860, 16155, 17950, 18300, 18668, 19825, 21540, 21899, 23335, 23790, 26925, 27450, 28002, 28548, 32310, 35685, 35900, 39650, 42003, 43798, 46670, 47580, 53850, 54900, 56004, 59475, 64620, 65697, 70005, 71370, 79300, 80775, 84006, 87596, 93340, 107700, 109495, 116675, 118950, 131394, 140010, 142740, 161550, 168012, 178425, 197091, 210015, 218990, 233350, 237900, 262788, 280020, 284687, 323100, 328485, 350025, 356850, 394182, 420030, 437980, 466700, 547475, 569374, 656970, 700050, 713700, 788364, 840060, 854061, 985455, 1050075, 1094950, 1138748, 1313940, 1400100, 1423435, 1642425, 1708122, 1970910, 2100150, 2189900, 2562183, 2846870, 3284850, 3416244, 3941820, 4200300, 4270305, 4927275, 5124366, 5693740, 6569700, 7117175, 8540610, 9854550, 10248732, 12810915, 14234350, 17081220, 19709100, 21351525, 25621830, 28468700, 42703050, 51243660, 64054575, 85406100, 128109150, 256218300]

約数ペア:

[(1, 256218300), (2, 128109150), (3, 85406100), (4, 64054575), (5, 51243660), (6, 42703050), (9, 28468700), (10, 25621830), (12, 21351525), (13, 19709100), (15, 17081220), (18, 14234350), (20, 12810915), (25, 10248732), (26, 9854550), (30, 8540610), (36, 7117175), (39, 6569700), (45, 5693740), (50, 5124366), (52, 4927275), (60, 4270305), (61, 4200300), (65, 3941820), (75, 3416244), (78, 3284850), (90, 2846870), (100, 2562183), (117, 2189900), (122, 2100150), (130, 1970910), (150, 1708122), (156, 1642425), (180, 1423435), (183, 1400100), (195, 1313940), (225, 1138748), (234, 1094950), (244, 1050075), (260, 985455), (300, 854061), (305, 840060), (325, 788364), (359, 713700), (366, 700050), (390, 656970), (450, 569374), (468, 547475), (549, 466700), (585, 437980), (610, 420030), (650, 394182), (718, 356850), (732, 350025), (780, 328485), (793, 323100), (900, 284687), (915, 280020), (975, 262788), (1077, 237900), (1098, 233350), (1170, 218990), (1220, 210015), (1300, 197091), (1436, 178425), (1525, 168012), (1586, 161550), (1795, 142740), (1830, 140010), (1950, 131394), (2154, 118950), (2196, 116675), (2340, 109495), (2379, 107700), (2745, 93340), (2925, 87596), (3050, 84006), (3172, 80775), (3231, 79300), (3590, 71370), (3660, 70005), (3900, 65697), (3965, 64620), (4308, 59475), (4575, 56004), (4667, 54900), (4758, 53850), (5385, 47580), (5490, 46670), (5850, 43798), (6100, 42003), (6462, 39650), (7137, 35900), (7180, 35685), (7930, 32310), (8975, 28548), (9150, 28002), (9334, 27450), (9516, 26925), (10770, 23790), (10980, 23335), (11700, 21899), (11895, 21540), (12924, 19825), (13725, 18668), (14001, 18300), (14274, 17950), (15860, 16155)]