312389640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:564

約数の個数: 192

約数和(自身を含む): 1081080000

約数和(自身を除く): 768690360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 109, 114, 120, 152, 171, 180, 190, 218, 228, 285, 327, 342, 360, 380, 419, 436, 456, 545, 570, 654, 684, 760, 838, 855, 872, 981, 1090, 1140, 1257, 1308, 1368, 1635, 1676, 1710, 1962, 2071, 2095, 2180, 2280, 2514, 2616, 3270, 3352, 3420, 3771, 3924, 4142, 4190, 4360, 4905, 5028, 6213, 6285, 6540, 6840, 7542, 7848, 7961, 8284, 8380, 9810, 10056, 10355, 12426, 12570, 13080, 15084, 15922, 16568, 16760, 18639, 18855, 19620, 20710, 23883, 24852, 25140, 30168, 31065, 31844, 37278, 37710, 39240, 39805, 41420, 45671, 47766, 49704, 50280, 62130, 63688, 71649, 74556, 75420, 79610, 82840, 91342, 93195, 95532, 119415, 124260, 137013, 143298, 149112, 150840, 159220, 182684, 186390, 191064, 228355, 238830, 248520, 274026, 286596, 318440, 358245, 365368, 372780, 411039, 456710, 477660, 548052, 573192, 685065, 716490, 745560, 822078, 867749, 913420, 955320, 1096104, 1370130, 1432980, 1644156, 1735498, 1826840, 2055195, 2603247, 2740260, 2865960, 3288312, 3470996, 4110390, 4338745, 5206494, 5480520, 6941992, 7809741, 8220780, 8677490, 10412988, 13016235, 15619482, 16441560, 17354980, 20825976, 26032470, 31238964, 34709960, 39048705, 52064940, 62477928, 78097410, 104129880, 156194820, 312389640]

約数ペア:

[(1, 312389640), (2, 156194820), (3, 104129880), (4, 78097410), (5, 62477928), (6, 52064940), (8, 39048705), (9, 34709960), (10, 31238964), (12, 26032470), (15, 20825976), (18, 17354980), (19, 16441560), (20, 15619482), (24, 13016235), (30, 10412988), (36, 8677490), (38, 8220780), (40, 7809741), (45, 6941992), (57, 5480520), (60, 5206494), (72, 4338745), (76, 4110390), (90, 3470996), (95, 3288312), (109, 2865960), (114, 2740260), (120, 2603247), (152, 2055195), (171, 1826840), (180, 1735498), (190, 1644156), (218, 1432980), (228, 1370130), (285, 1096104), (327, 955320), (342, 913420), (360, 867749), (380, 822078), (419, 745560), (436, 716490), (456, 685065), (545, 573192), (570, 548052), (654, 477660), (684, 456710), (760, 411039), (838, 372780), (855, 365368), (872, 358245), (981, 318440), (1090, 286596), (1140, 274026), (1257, 248520), (1308, 238830), (1368, 228355), (1635, 191064), (1676, 186390), (1710, 182684), (1962, 159220), (2071, 150840), (2095, 149112), (2180, 143298), (2280, 137013), (2514, 124260), (2616, 119415), (3270, 95532), (3352, 93195), (3420, 91342), (3771, 82840), (3924, 79610), (4142, 75420), (4190, 74556), (4360, 71649), (4905, 63688), (5028, 62130), (6213, 50280), (6285, 49704), (6540, 47766), (6840, 45671), (7542, 41420), (7848, 39805), (7961, 39240), (8284, 37710), (8380, 37278), (9810, 31844), (10056, 31065), (10355, 30168), (12426, 25140), (12570, 24852), (13080, 23883), (15084, 20710), (15922, 19620), (16568, 18855), (16760, 18639)]