388537560

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:660

約数の個数: 192

約数和(自身を含む): 1330318080

約数和(自身を除く): 941780520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 81, 90, 108, 120, 135, 142, 162, 180, 213, 216, 243, 270, 284, 324, 355, 360, 405, 426, 486, 540, 563, 568, 639, 648, 710, 810, 852, 972, 1065, 1080, 1126, 1215, 1278, 1420, 1620, 1689, 1704, 1917, 1944, 2130, 2252, 2430, 2556, 2815, 2840, 3195, 3240, 3378, 3834, 4260, 4504, 4860, 5067, 5112, 5630, 5751, 6390, 6756, 7668, 8445, 8520, 9585, 9720, 10134, 11260, 11502, 12780, 13512, 15201, 15336, 16890, 17253, 19170, 20268, 22520, 23004, 25335, 25560, 28755, 30402, 33780, 34506, 38340, 39973, 40536, 45603, 46008, 50670, 57510, 60804, 67560, 69012, 76005, 76680, 79946, 86265, 91206, 101340, 115020, 119919, 121608, 136809, 138024, 152010, 159892, 172530, 182412, 199865, 202680, 228015, 230040, 239838, 273618, 304020, 319784, 345060, 359757, 364824, 399730, 456030, 479676, 547236, 599595, 608040, 684045, 690120, 719514, 799460, 912060, 959352, 1079271, 1094472, 1199190, 1368090, 1439028, 1598920, 1798785, 1824120, 2158542, 2398380, 2736180, 2878056, 3237813, 3597570, 4317084, 4796760, 5396355, 5472360, 6475626, 7195140, 8634168, 9713439, 10792710, 12951252, 14390280, 16189065, 19426878, 21585420, 25902504, 32378130, 38853756, 43170840, 48567195, 64756260, 77707512, 97134390, 129512520, 194268780, 388537560]

約数ペア:

[(1, 388537560), (2, 194268780), (3, 129512520), (4, 97134390), (5, 77707512), (6, 64756260), (8, 48567195), (9, 43170840), (10, 38853756), (12, 32378130), (15, 25902504), (18, 21585420), (20, 19426878), (24, 16189065), (27, 14390280), (30, 12951252), (36, 10792710), (40, 9713439), (45, 8634168), (54, 7195140), (60, 6475626), (71, 5472360), (72, 5396355), (81, 4796760), (90, 4317084), (108, 3597570), (120, 3237813), (135, 2878056), (142, 2736180), (162, 2398380), (180, 2158542), (213, 1824120), (216, 1798785), (243, 1598920), (270, 1439028), (284, 1368090), (324, 1199190), (355, 1094472), (360, 1079271), (405, 959352), (426, 912060), (486, 799460), (540, 719514), (563, 690120), (568, 684045), (639, 608040), (648, 599595), (710, 547236), (810, 479676), (852, 456030), (972, 399730), (1065, 364824), (1080, 359757), (1126, 345060), (1215, 319784), (1278, 304020), (1420, 273618), (1620, 239838), (1689, 230040), (1704, 228015), (1917, 202680), (1944, 199865), (2130, 182412), (2252, 172530), (2430, 159892), (2556, 152010), (2815, 138024), (2840, 136809), (3195, 121608), (3240, 119919), (3378, 115020), (3834, 101340), (4260, 91206), (4504, 86265), (4860, 79946), (5067, 76680), (5112, 76005), (5630, 69012), (5751, 67560), (6390, 60804), (6756, 57510), (7668, 50670), (8445, 46008), (8520, 45603), (9585, 40536), (9720, 39973), (10134, 38340), (11260, 34506), (11502, 33780), (12780, 30402), (13512, 28755), (15201, 25560), (15336, 25335), (16890, 23004), (17253, 22520), (19170, 20268)]