221378760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:688

約数の個数: 192

約数和(自身を含む): 775597680

約数和(自身を除く): 554218920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 61, 68, 72, 85, 90, 102, 120, 122, 136, 153, 170, 180, 183, 204, 244, 255, 305, 306, 340, 360, 366, 408, 488, 510, 549, 593, 610, 612, 680, 732, 765, 915, 1020, 1037, 1098, 1186, 1220, 1224, 1464, 1530, 1779, 1830, 2040, 2074, 2196, 2372, 2440, 2745, 2965, 3060, 3111, 3558, 3660, 4148, 4392, 4744, 5185, 5337, 5490, 5930, 6120, 6222, 7116, 7320, 8296, 8895, 9333, 10081, 10370, 10674, 10980, 11860, 12444, 14232, 15555, 17790, 18666, 20162, 20740, 21348, 21960, 23720, 24888, 26685, 30243, 31110, 35580, 36173, 37332, 40324, 41480, 42696, 46665, 50405, 53370, 60486, 62220, 71160, 72346, 74664, 80648, 90729, 93330, 100810, 106740, 108519, 120972, 124440, 144692, 151215, 180865, 181458, 186660, 201620, 213480, 217038, 241944, 289384, 302430, 325557, 361730, 362916, 373320, 403240, 434076, 453645, 542595, 604860, 614941, 651114, 723460, 725832, 868152, 907290, 1085190, 1209720, 1229882, 1302228, 1446920, 1627785, 1814580, 1844823, 2170380, 2459764, 2604456, 3074705, 3255570, 3629160, 3689646, 4340760, 4919528, 5534469, 6149410, 6511140, 7379292, 9224115, 11068938, 12298820, 13022280, 14758584, 18448230, 22137876, 24597640, 27672345, 36896460, 44275752, 55344690, 73792920, 110689380, 221378760]

約数ペア:

[(1, 221378760), (2, 110689380), (3, 73792920), (4, 55344690), (5, 44275752), (6, 36896460), (8, 27672345), (9, 24597640), (10, 22137876), (12, 18448230), (15, 14758584), (17, 13022280), (18, 12298820), (20, 11068938), (24, 9224115), (30, 7379292), (34, 6511140), (36, 6149410), (40, 5534469), (45, 4919528), (51, 4340760), (60, 3689646), (61, 3629160), (68, 3255570), (72, 3074705), (85, 2604456), (90, 2459764), (102, 2170380), (120, 1844823), (122, 1814580), (136, 1627785), (153, 1446920), (170, 1302228), (180, 1229882), (183, 1209720), (204, 1085190), (244, 907290), (255, 868152), (305, 725832), (306, 723460), (340, 651114), (360, 614941), (366, 604860), (408, 542595), (488, 453645), (510, 434076), (549, 403240), (593, 373320), (610, 362916), (612, 361730), (680, 325557), (732, 302430), (765, 289384), (915, 241944), (1020, 217038), (1037, 213480), (1098, 201620), (1186, 186660), (1220, 181458), (1224, 180865), (1464, 151215), (1530, 144692), (1779, 124440), (1830, 120972), (2040, 108519), (2074, 106740), (2196, 100810), (2372, 93330), (2440, 90729), (2745, 80648), (2965, 74664), (3060, 72346), (3111, 71160), (3558, 62220), (3660, 60486), (4148, 53370), (4392, 50405), (4744, 46665), (5185, 42696), (5337, 41480), (5490, 40324), (5930, 37332), (6120, 36173), (6222, 35580), (7116, 31110), (7320, 30243), (8296, 26685), (8895, 24888), (9333, 23720), (10081, 21960), (10370, 21348), (10674, 20740), (10980, 20162), (11860, 18666), (12444, 17790), (14232, 15555)]