219129120

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21739}}^1$

素因数の和:21767

約数の個数: 144

約数和(自身を含む): 854642880

約数和(自身を除く): 635513760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21739, 43478, 65217, 86956, 108695, 130434, 152173, 173912, 195651, 217390, 260868, 304346, 326085, 347824, 391302, 434780, 456519, 521736, 608692, 652170, 695648, 760865, 782604, 869560, 913038, 978255, 1043472, 1217384, 1304340, 1369557, 1521730, 1565208, 1739120, 1826076, 1956510, 2086944, 2282595, 2434768, 2608680, 2739114, 3043460, 3130416, 3478240, 3652152, 3913020, 4565190, 4869536, 5217360, 5478228, 6086920, 6260832, 6847785, 7304304, 7826040, 9130380, 10434720, 10956456, 12173840, 13695570, 14608608, 15652080, 18260760, 21912912, 24347680, 27391140, 31304160, 36521520, 43825824, 54782280, 73043040, 109564560, 219129120]

約数ペア:

[(1, 219129120), (2, 109564560), (3, 73043040), (4, 54782280), (5, 43825824), (6, 36521520), (7, 31304160), (8, 27391140), (9, 24347680), (10, 21912912), (12, 18260760), (14, 15652080), (15, 14608608), (16, 13695570), (18, 12173840), (20, 10956456), (21, 10434720), (24, 9130380), (28, 7826040), (30, 7304304), (32, 6847785), (35, 6260832), (36, 6086920), (40, 5478228), (42, 5217360), (45, 4869536), (48, 4565190), (56, 3913020), (60, 3652152), (63, 3478240), (70, 3130416), (72, 3043460), (80, 2739114), (84, 2608680), (90, 2434768), (96, 2282595), (105, 2086944), (112, 1956510), (120, 1826076), (126, 1739120), (140, 1565208), (144, 1521730), (160, 1369557), (168, 1304340), (180, 1217384), (210, 1043472), (224, 978255), (240, 913038), (252, 869560), (280, 782604), (288, 760865), (315, 695648), (336, 652170), (360, 608692), (420, 521736), (480, 456519), (504, 434780), (560, 391302), (630, 347824), (672, 326085), (720, 304346), (840, 260868), (1008, 217390), (1120, 195651), (1260, 173912), (1440, 152173), (1680, 130434), (2016, 108695), (2520, 86956), (3360, 65217), (5040, 43478), (10080, 21739)]