15239520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:597

約数の個数: 144

約数和(自身を含む): 54840240

約数和(自身を除く): 39600720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 557, 570, 608, 684, 720, 760, 855, 912, 1114, 1140, 1368, 1440, 1520, 1671, 1710, 1824, 2228, 2280, 2736, 2785, 3040, 3342, 3420, 4456, 4560, 5013, 5472, 5570, 6684, 6840, 8355, 8912, 9120, 10026, 10583, 11140, 13368, 13680, 16710, 17824, 20052, 21166, 22280, 25065, 26736, 27360, 31749, 33420, 40104, 42332, 44560, 50130, 52915, 53472, 63498, 66840, 80208, 84664, 89120, 95247, 100260, 105830, 126996, 133680, 158745, 160416, 169328, 190494, 200520, 211660, 253992, 267360, 317490, 338656, 380988, 401040, 423320, 476235, 507984, 634980, 761976, 802080, 846640, 952470, 1015968, 1269960, 1523952, 1693280, 1904940, 2539920, 3047904, 3809880, 5079840, 7619760, 15239520]

約数ペア:

[(1, 15239520), (2, 7619760), (3, 5079840), (4, 3809880), (5, 3047904), (6, 2539920), (8, 1904940), (9, 1693280), (10, 1523952), (12, 1269960), (15, 1015968), (16, 952470), (18, 846640), (19, 802080), (20, 761976), (24, 634980), (30, 507984), (32, 476235), (36, 423320), (38, 401040), (40, 380988), (45, 338656), (48, 317490), (57, 267360), (60, 253992), (72, 211660), (76, 200520), (80, 190494), (90, 169328), (95, 160416), (96, 158745), (114, 133680), (120, 126996), (144, 105830), (152, 100260), (160, 95247), (171, 89120), (180, 84664), (190, 80208), (228, 66840), (240, 63498), (285, 53472), (288, 52915), (304, 50130), (342, 44560), (360, 42332), (380, 40104), (456, 33420), (480, 31749), (557, 27360), (570, 26736), (608, 25065), (684, 22280), (720, 21166), (760, 20052), (855, 17824), (912, 16710), (1114, 13680), (1140, 13368), (1368, 11140), (1440, 10583), (1520, 10026), (1671, 9120), (1710, 8912), (1824, 8355), (2228, 6840), (2280, 6684), (2736, 5570), (2785, 5472), (3040, 5013), (3342, 4560), (3420, 4456)]