215455440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1277}}^1$

素因数の和:1349

約数の個数: 160

約数和(自身を含む): 722632320

約数和(自身を除く): 507176880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 37, 38, 40, 48, 57, 60, 74, 76, 80, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 240, 285, 296, 304, 370, 380, 444, 456, 555, 570, 592, 703, 740, 760, 888, 912, 1110, 1140, 1277, 1406, 1480, 1520, 1776, 2109, 2220, 2280, 2554, 2812, 2960, 3515, 3831, 4218, 4440, 4560, 5108, 5624, 6385, 7030, 7662, 8436, 8880, 10216, 10545, 11248, 12770, 14060, 15324, 16872, 19155, 20432, 21090, 24263, 25540, 28120, 30648, 33744, 38310, 42180, 47249, 48526, 51080, 56240, 61296, 72789, 76620, 84360, 94498, 97052, 102160, 121315, 141747, 145578, 153240, 168720, 188996, 194104, 236245, 242630, 283494, 291156, 306480, 363945, 377992, 388208, 472490, 485260, 566988, 582312, 708735, 727890, 755984, 897731, 944980, 970520, 1133976, 1164624, 1417470, 1455780, 1795462, 1889960, 1941040, 2267952, 2693193, 2834940, 2911560, 3590924, 3779920, 4488655, 5386386, 5669880, 5823120, 7181848, 8977310, 10772772, 11339760, 13465965, 14363696, 17954620, 21545544, 26931930, 35909240, 43091088, 53863860, 71818480, 107727720, 215455440]

約数ペア:

[(1, 215455440), (2, 107727720), (3, 71818480), (4, 53863860), (5, 43091088), (6, 35909240), (8, 26931930), (10, 21545544), (12, 17954620), (15, 14363696), (16, 13465965), (19, 11339760), (20, 10772772), (24, 8977310), (30, 7181848), (37, 5823120), (38, 5669880), (40, 5386386), (48, 4488655), (57, 3779920), (60, 3590924), (74, 2911560), (76, 2834940), (80, 2693193), (95, 2267952), (111, 1941040), (114, 1889960), (120, 1795462), (148, 1455780), (152, 1417470), (185, 1164624), (190, 1133976), (222, 970520), (228, 944980), (240, 897731), (285, 755984), (296, 727890), (304, 708735), (370, 582312), (380, 566988), (444, 485260), (456, 472490), (555, 388208), (570, 377992), (592, 363945), (703, 306480), (740, 291156), (760, 283494), (888, 242630), (912, 236245), (1110, 194104), (1140, 188996), (1277, 168720), (1406, 153240), (1480, 145578), (1520, 141747), (1776, 121315), (2109, 102160), (2220, 97052), (2280, 94498), (2554, 84360), (2812, 76620), (2960, 72789), (3515, 61296), (3831, 56240), (4218, 51080), (4440, 48526), (4560, 47249), (5108, 42180), (5624, 38310), (6385, 33744), (7030, 30648), (7662, 28120), (8436, 25540), (8880, 24263), (10216, 21090), (10545, 20432), (11248, 19155), (12770, 16872), (14060, 15324)]