215479760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:349

約数の個数: 160

約数和(自身を含む): 578534400

約数和(自身を除く): 363054640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 34, 38, 40, 62, 68, 76, 80, 85, 95, 124, 136, 152, 155, 170, 190, 248, 269, 272, 304, 310, 323, 340, 380, 496, 527, 538, 589, 620, 646, 680, 760, 1054, 1076, 1178, 1240, 1292, 1345, 1360, 1520, 1615, 2108, 2152, 2356, 2480, 2584, 2635, 2690, 2945, 3230, 4216, 4304, 4573, 4712, 5111, 5168, 5270, 5380, 5890, 6460, 8339, 8432, 9146, 9424, 10013, 10222, 10540, 10760, 11780, 12920, 16678, 18292, 20026, 20444, 21080, 21520, 22865, 23560, 25555, 25840, 33356, 36584, 40052, 40888, 41695, 42160, 45730, 47120, 50065, 51110, 66712, 73168, 80104, 81776, 83390, 86887, 91460, 100130, 102220, 133424, 141763, 158441, 160208, 166780, 173774, 182920, 200260, 204440, 283526, 316882, 333560, 347548, 365840, 400520, 408880, 434435, 567052, 633764, 667120, 695096, 708815, 792205, 801040, 868870, 1134104, 1267528, 1390192, 1417630, 1584410, 1737740, 2268208, 2535056, 2693497, 2835260, 3168820, 3475480, 5386994, 5670520, 6337640, 6950960, 10773988, 11341040, 12675280, 13467485, 21547976, 26934970, 43095952, 53869940, 107739880, 215479760]

約数ペア:

[(1, 215479760), (2, 107739880), (4, 53869940), (5, 43095952), (8, 26934970), (10, 21547976), (16, 13467485), (17, 12675280), (19, 11341040), (20, 10773988), (31, 6950960), (34, 6337640), (38, 5670520), (40, 5386994), (62, 3475480), (68, 3168820), (76, 2835260), (80, 2693497), (85, 2535056), (95, 2268208), (124, 1737740), (136, 1584410), (152, 1417630), (155, 1390192), (170, 1267528), (190, 1134104), (248, 868870), (269, 801040), (272, 792205), (304, 708815), (310, 695096), (323, 667120), (340, 633764), (380, 567052), (496, 434435), (527, 408880), (538, 400520), (589, 365840), (620, 347548), (646, 333560), (680, 316882), (760, 283526), (1054, 204440), (1076, 200260), (1178, 182920), (1240, 173774), (1292, 166780), (1345, 160208), (1360, 158441), (1520, 141763), (1615, 133424), (2108, 102220), (2152, 100130), (2356, 91460), (2480, 86887), (2584, 83390), (2635, 81776), (2690, 80104), (2945, 73168), (3230, 66712), (4216, 51110), (4304, 50065), (4573, 47120), (4712, 45730), (5111, 42160), (5168, 41695), (5270, 40888), (5380, 40052), (5890, 36584), (6460, 33356), (8339, 25840), (8432, 25555), (9146, 23560), (9424, 22865), (10013, 21520), (10222, 21080), (10540, 20444), (10760, 20026), (11780, 18292), (12920, 16678)]