285812820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:439

約数の個数: 192

約数和(自身を含む): 949536000

約数和(自身を除く): 663723180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 89, 90, 95, 108, 114, 135, 171, 178, 180, 190, 228, 267, 270, 285, 313, 342, 356, 380, 445, 513, 534, 540, 570, 626, 684, 801, 855, 890, 939, 1026, 1068, 1140, 1252, 1335, 1565, 1602, 1691, 1710, 1780, 1878, 2052, 2403, 2565, 2670, 2817, 3130, 3204, 3382, 3420, 3756, 4005, 4695, 4806, 5073, 5130, 5340, 5634, 5947, 6260, 6764, 8010, 8451, 8455, 9390, 9612, 10146, 10260, 11268, 11894, 12015, 14085, 15219, 16020, 16902, 16910, 17841, 18780, 20292, 23788, 24030, 25365, 27857, 28170, 29735, 30438, 33804, 33820, 35682, 42255, 45657, 48060, 50730, 53523, 55714, 56340, 59470, 60876, 71364, 76095, 83571, 84510, 89205, 91314, 101460, 107046, 111428, 118940, 139285, 152190, 160569, 167142, 169020, 178410, 182628, 214092, 228285, 250713, 267615, 278570, 304380, 321138, 334284, 356820, 417855, 456570, 501426, 529283, 535230, 557140, 642276, 752139, 802845, 835710, 913140, 1002852, 1058566, 1070460, 1253565, 1504278, 1587849, 1605690, 1671420, 2117132, 2507130, 2646415, 3008556, 3175698, 3211380, 3760695, 4763547, 5014260, 5292830, 6351396, 7521390, 7939245, 9527094, 10585660, 14290641, 15042780, 15878490, 19054188, 23817735, 28581282, 31756980, 47635470, 57162564, 71453205, 95270940, 142906410, 285812820]

約数ペア:

[(1, 285812820), (2, 142906410), (3, 95270940), (4, 71453205), (5, 57162564), (6, 47635470), (9, 31756980), (10, 28581282), (12, 23817735), (15, 19054188), (18, 15878490), (19, 15042780), (20, 14290641), (27, 10585660), (30, 9527094), (36, 7939245), (38, 7521390), (45, 6351396), (54, 5292830), (57, 5014260), (60, 4763547), (76, 3760695), (89, 3211380), (90, 3175698), (95, 3008556), (108, 2646415), (114, 2507130), (135, 2117132), (171, 1671420), (178, 1605690), (180, 1587849), (190, 1504278), (228, 1253565), (267, 1070460), (270, 1058566), (285, 1002852), (313, 913140), (342, 835710), (356, 802845), (380, 752139), (445, 642276), (513, 557140), (534, 535230), (540, 529283), (570, 501426), (626, 456570), (684, 417855), (801, 356820), (855, 334284), (890, 321138), (939, 304380), (1026, 278570), (1068, 267615), (1140, 250713), (1252, 228285), (1335, 214092), (1565, 182628), (1602, 178410), (1691, 169020), (1710, 167142), (1780, 160569), (1878, 152190), (2052, 139285), (2403, 118940), (2565, 111428), (2670, 107046), (2817, 101460), (3130, 91314), (3204, 89205), (3382, 84510), (3420, 83571), (3756, 76095), (4005, 71364), (4695, 60876), (4806, 59470), (5073, 56340), (5130, 55714), (5340, 53523), (5634, 50730), (5947, 48060), (6260, 45657), (6764, 42255), (8010, 35682), (8451, 33820), (8455, 33804), (9390, 30438), (9612, 29735), (10146, 28170), (10260, 27857), (11268, 25365), (11894, 24030), (12015, 23788), (14085, 20292), (15219, 18780), (16020, 17841), (16902, 16910)]