420763140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:891

約数の個数: 192

約数和(自身を含む): 1507699200

約数和(自身を除く): 1086936060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 157, 180, 189, 210, 252, 270, 314, 315, 378, 420, 471, 540, 628, 630, 709, 756, 785, 942, 945, 1099, 1260, 1413, 1418, 1570, 1884, 1890, 2127, 2198, 2355, 2826, 2836, 3140, 3297, 3545, 3780, 4239, 4254, 4396, 4710, 4963, 5495, 5652, 6381, 6594, 7065, 7090, 8478, 8508, 9420, 9891, 9926, 10635, 10990, 12762, 13188, 14130, 14180, 14889, 16485, 16956, 19143, 19782, 19852, 21195, 21270, 21980, 24815, 25524, 28260, 29673, 29778, 31905, 32970, 38286, 39564, 42390, 42540, 44667, 49455, 49630, 59346, 59556, 63810, 65940, 74445, 76572, 84780, 89334, 95715, 98910, 99260, 111313, 118692, 127620, 134001, 148365, 148890, 178668, 191430, 197820, 222626, 223335, 268002, 296730, 297780, 333939, 382860, 445252, 446670, 536004, 556565, 593460, 667878, 670005, 779191, 893340, 1001817, 1113130, 1335756, 1340010, 1558382, 1669695, 2003634, 2226260, 2337573, 2680020, 3005451, 3116764, 3339390, 3895955, 4007268, 4675146, 5009085, 6010902, 6678780, 7012719, 7791910, 9350292, 10018170, 11687865, 12021804, 14025438, 15027255, 15583820, 20036340, 21038157, 23375730, 28050876, 30054510, 35063595, 42076314, 46751460, 60109020, 70127190, 84152628, 105190785, 140254380, 210381570, 420763140]

約数ペア:

[(1, 420763140), (2, 210381570), (3, 140254380), (4, 105190785), (5, 84152628), (6, 70127190), (7, 60109020), (9, 46751460), (10, 42076314), (12, 35063595), (14, 30054510), (15, 28050876), (18, 23375730), (20, 21038157), (21, 20036340), (27, 15583820), (28, 15027255), (30, 14025438), (35, 12021804), (36, 11687865), (42, 10018170), (45, 9350292), (54, 7791910), (60, 7012719), (63, 6678780), (70, 6010902), (84, 5009085), (90, 4675146), (105, 4007268), (108, 3895955), (126, 3339390), (135, 3116764), (140, 3005451), (157, 2680020), (180, 2337573), (189, 2226260), (210, 2003634), (252, 1669695), (270, 1558382), (314, 1340010), (315, 1335756), (378, 1113130), (420, 1001817), (471, 893340), (540, 779191), (628, 670005), (630, 667878), (709, 593460), (756, 556565), (785, 536004), (942, 446670), (945, 445252), (1099, 382860), (1260, 333939), (1413, 297780), (1418, 296730), (1570, 268002), (1884, 223335), (1890, 222626), (2127, 197820), (2198, 191430), (2355, 178668), (2826, 148890), (2836, 148365), (3140, 134001), (3297, 127620), (3545, 118692), (3780, 111313), (4239, 99260), (4254, 98910), (4396, 95715), (4710, 89334), (4963, 84780), (5495, 76572), (5652, 74445), (6381, 65940), (6594, 63810), (7065, 59556), (7090, 59346), (8478, 49630), (8508, 49455), (9420, 44667), (9891, 42540), (9926, 42390), (10635, 39564), (10990, 38286), (12762, 32970), (13188, 31905), (14130, 29778), (14180, 29673), (14889, 28260), (16485, 25524), (16956, 24815), (19143, 21980), (19782, 21270), (19852, 21195)]