21376162800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{312517}}^1$

素因数の和:312560

約数の個数: 180

約数和(自身を含む): 78085747480

約数和(自身を除く): 56709584680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 48, 50, 57, 60, 72, 75, 76, 80, 90, 95, 100, 114, 120, 144, 150, 152, 171, 180, 190, 200, 225, 228, 240, 285, 300, 304, 342, 360, 380, 400, 450, 456, 475, 570, 600, 684, 720, 760, 855, 900, 912, 950, 1140, 1200, 1368, 1425, 1520, 1710, 1800, 1900, 2280, 2736, 2850, 3420, 3600, 3800, 4275, 4560, 5700, 6840, 7600, 8550, 11400, 13680, 17100, 22800, 34200, 68400, 312517, 625034, 937551, 1250068, 1562585, 1875102, 2500136, 2812653, 3125170, 3750204, 4687755, 5000272, 5625306, 5937823, 6250340, 7500408, 7812925, 9375510, 11250612, 11875646, 12500680, 14063265, 15000816, 15625850, 17813469, 18751020, 22501224, 23438775, 23751292, 25001360, 28126530, 29689115, 31251700, 35626938, 37502040, 45002448, 46877550, 47502584, 53440407, 56253060, 59378230, 62503400, 70316325, 71253876, 75004080, 89067345, 93755100, 95005168, 106880814, 112506120, 118756460, 125006800, 140632650, 142507752, 148445575, 178134690, 187510200, 213761628, 225012240, 237512920, 267202035, 281265300, 285015504, 296891150, 356269380, 375020400, 427523256, 445336725, 475025840, 534404070, 562530600, 593782300, 712538760, 855046512, 890673450, 1068808140, 1125061200, 1187564600, 1336010175, 1425077520, 1781346900, 2137616280, 2375129200, 2672020350, 3562693800, 4275232560, 5344040700, 7125387600, 10688081400, 21376162800]

約数ペア:

[(1, 21376162800), (2, 10688081400), (3, 7125387600), (4, 5344040700), (5, 4275232560), (6, 3562693800), (8, 2672020350), (9, 2375129200), (10, 2137616280), (12, 1781346900), (15, 1425077520), (16, 1336010175), (18, 1187564600), (19, 1125061200), (20, 1068808140), (24, 890673450), (25, 855046512), (30, 712538760), (36, 593782300), (38, 562530600), (40, 534404070), (45, 475025840), (48, 445336725), (50, 427523256), (57, 375020400), (60, 356269380), (72, 296891150), (75, 285015504), (76, 281265300), (80, 267202035), (90, 237512920), (95, 225012240), (100, 213761628), (114, 187510200), (120, 178134690), (144, 148445575), (150, 142507752), (152, 140632650), (171, 125006800), (180, 118756460), (190, 112506120), (200, 106880814), (225, 95005168), (228, 93755100), (240, 89067345), (285, 75004080), (300, 71253876), (304, 70316325), (342, 62503400), (360, 59378230), (380, 56253060), (400, 53440407), (450, 47502584), (456, 46877550), (475, 45002448), (570, 37502040), (600, 35626938), (684, 31251700), (720, 29689115), (760, 28126530), (855, 25001360), (900, 23751292), (912, 23438775), (950, 22501224), (1140, 18751020), (1200, 17813469), (1368, 15625850), (1425, 15000816), (1520, 14063265), (1710, 12500680), (1800, 11875646), (1900, 11250612), (2280, 9375510), (2736, 7812925), (2850, 7500408), (3420, 6250340), (3600, 5937823), (3800, 5625306), (4275, 5000272), (4560, 4687755), (5700, 3750204), (6840, 3125170), (7600, 2812653), (8550, 2500136), (11400, 1875102), (13680, 1562585), (17100, 1250068), (22800, 937551), (34200, 625034), (68400, 312517)]