15243900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 216

約数和(自身を含む): 55215216

約数和(自身を除く): 39971316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 25, 28, 30, 34, 35, 42, 49, 50, 51, 60, 61, 68, 70, 75, 84, 85, 98, 100, 102, 105, 119, 122, 140, 147, 150, 170, 175, 183, 196, 204, 210, 238, 244, 245, 255, 294, 300, 305, 340, 350, 357, 366, 420, 425, 427, 476, 490, 510, 525, 588, 595, 610, 700, 714, 732, 735, 833, 850, 854, 915, 980, 1020, 1037, 1050, 1190, 1220, 1225, 1275, 1281, 1428, 1470, 1525, 1666, 1700, 1708, 1785, 1830, 2074, 2100, 2135, 2380, 2450, 2499, 2550, 2562, 2940, 2975, 2989, 3050, 3111, 3332, 3570, 3660, 3675, 4148, 4165, 4270, 4575, 4900, 4998, 5100, 5124, 5185, 5950, 5978, 6100, 6222, 6405, 7140, 7259, 7350, 8330, 8540, 8925, 8967, 9150, 9996, 10370, 10675, 11900, 11956, 12444, 12495, 12810, 14518, 14700, 14945, 15555, 16660, 17850, 17934, 18300, 20740, 20825, 21350, 21777, 24990, 25620, 25925, 29036, 29890, 31110, 32025, 35700, 35868, 36295, 41650, 42700, 43554, 44835, 49980, 50813, 51850, 59780, 62220, 62475, 64050, 72590, 74725, 77775, 83300, 87108, 89670, 101626, 103700, 108885, 124950, 128100, 145180, 149450, 152439, 155550, 179340, 181475, 203252, 217770, 224175, 249900, 254065, 298900, 304878, 311100, 362950, 435540, 448350, 508130, 544425, 609756, 725900, 762195, 896700, 1016260, 1088850, 1270325, 1524390, 2177700, 2540650, 3048780, 3810975, 5081300, 7621950, 15243900]

約数ペア:

[(1, 15243900), (2, 7621950), (3, 5081300), (4, 3810975), (5, 3048780), (6, 2540650), (7, 2177700), (10, 1524390), (12, 1270325), (14, 1088850), (15, 1016260), (17, 896700), (20, 762195), (21, 725900), (25, 609756), (28, 544425), (30, 508130), (34, 448350), (35, 435540), (42, 362950), (49, 311100), (50, 304878), (51, 298900), (60, 254065), (61, 249900), (68, 224175), (70, 217770), (75, 203252), (84, 181475), (85, 179340), (98, 155550), (100, 152439), (102, 149450), (105, 145180), (119, 128100), (122, 124950), (140, 108885), (147, 103700), (150, 101626), (170, 89670), (175, 87108), (183, 83300), (196, 77775), (204, 74725), (210, 72590), (238, 64050), (244, 62475), (245, 62220), (255, 59780), (294, 51850), (300, 50813), (305, 49980), (340, 44835), (350, 43554), (357, 42700), (366, 41650), (420, 36295), (425, 35868), (427, 35700), (476, 32025), (490, 31110), (510, 29890), (525, 29036), (588, 25925), (595, 25620), (610, 24990), (700, 21777), (714, 21350), (732, 20825), (735, 20740), (833, 18300), (850, 17934), (854, 17850), (915, 16660), (980, 15555), (1020, 14945), (1037, 14700), (1050, 14518), (1190, 12810), (1220, 12495), (1225, 12444), (1275, 11956), (1281, 11900), (1428, 10675), (1470, 10370), (1525, 9996), (1666, 9150), (1700, 8967), (1708, 8925), (1785, 8540), (1830, 8330), (2074, 7350), (2100, 7259), (2135, 7140), (2380, 6405), (2450, 6222), (2499, 6100), (2550, 5978), (2562, 5950), (2940, 5185), (2975, 5124), (2989, 5100), (3050, 4998), (3111, 4900), (3332, 4575), (3570, 4270), (3660, 4165), (3675, 4148)]