223440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1$

素因数の和:49

約数の個数: 120

約数和(自身を含む): 848160

約数和(自身を除く): 624720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 76, 80, 84, 95, 98, 105, 112, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 240, 245, 266, 280, 285, 294, 304, 336, 380, 392, 399, 420, 456, 490, 532, 560, 570, 588, 665, 735, 760, 784, 798, 840, 912, 931, 980, 1064, 1140, 1176, 1330, 1470, 1520, 1596, 1680, 1862, 1960, 1995, 2128, 2280, 2352, 2660, 2793, 2940, 3192, 3724, 3920, 3990, 4560, 4655, 5320, 5586, 5880, 6384, 7448, 7980, 9310, 10640, 11172, 11760, 13965, 14896, 15960, 18620, 22344, 27930, 31920, 37240, 44688, 55860, 74480, 111720, 223440]

約数ペア:

[(1, 223440), (2, 111720), (3, 74480), (4, 55860), (5, 44688), (6, 37240), (7, 31920), (8, 27930), (10, 22344), (12, 18620), (14, 15960), (15, 14896), (16, 13965), (19, 11760), (20, 11172), (21, 10640), (24, 9310), (28, 7980), (30, 7448), (35, 6384), (38, 5880), (40, 5586), (42, 5320), (48, 4655), (49, 4560), (56, 3990), (57, 3920), (60, 3724), (70, 3192), (76, 2940), (80, 2793), (84, 2660), (95, 2352), (98, 2280), (105, 2128), (112, 1995), (114, 1960), (120, 1862), (133, 1680), (140, 1596), (147, 1520), (152, 1470), (168, 1330), (190, 1176), (196, 1140), (210, 1064), (228, 980), (240, 931), (245, 912), (266, 840), (280, 798), (285, 784), (294, 760), (304, 735), (336, 665), (380, 588), (392, 570), (399, 560), (420, 532), (456, 490)]